Home / 6,221.69-8,586.14-3,389.18

Finding the Fourth Proportional to 6,221.69, 8,586.14 and 3,389.18

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Solution

The fourth proportional to 6,221.69, 8,586.14 and 3,389.18 is: 4,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.69 : 8,586.14 = 3,389.18 : x
  2. Step 2: Convert to fraction form
    6,221.69/8,586.14 = 3,389.18/x
  3. Step 3: Cross multiply
    6,221.69x = 8,586.14 × 3,389.18
  4. Step 4: Simplify right side
    6,221.69x = 29,099,914.09
  5. Step 5: Solve for x
    x = 29,099,914.09/6,221.69
  6. Step 6: Final answer
    x = 4,677.17

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Double scale
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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.