Home / 6,220.05-8,583.45-3,387.38

Finding the Fourth Proportional to 6,220.05, 8,583.45 and 3,387.38

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Solution

The fourth proportional to 6,220.05, 8,583.45 and 3,387.38 is: 4,674.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.05 : 8,583.45 = 3,387.38 : x
  2. Step 2: Convert to fraction form
    6,220.05/8,583.45 = 3,387.38/x
  3. Step 3: Cross multiply
    6,220.05x = 8,583.45 × 3,387.38
  4. Step 4: Simplify right side
    6,220.05x = 29,075,363.94
  5. Step 5: Solve for x
    x = 29,075,363.94/6,220.05
  6. Step 6: Final answer
    x = 4,674.46

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Find fourth proportional to 3,110.03, 4,291.73 and 1,693.69
Half scale
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Double scale
Find fourth proportional to 6,221.05, 8,584.83 and 3,388.38
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.