Home / 6,220.29-8,584.62-4,645.65

Finding the Fourth Proportional to 6,220.29, 8,584.62 and 4,645.65

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Solution

The fourth proportional to 6,220.29, 8,584.62 and 4,645.65 is: 6,411.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.29 : 8,584.62 = 4,645.65 : x
  2. Step 2: Convert to fraction form
    6,220.29/8,584.62 = 4,645.65/x
  3. Step 3: Cross multiply
    6,220.29x = 8,584.62 × 4,645.65
  4. Step 4: Simplify right side
    6,220.29x = 39,881,139.90
  5. Step 5: Solve for x
    x = 39,881,139.90/6,220.29
  6. Step 6: Final answer
    x = 6,411.46

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Half scale
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Double scale
Find fourth proportional to 6,221.29, 8,586 and 4,646.65
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.