Home / 6,223.28-8,588.13-3,428.78

Finding the Fourth Proportional to 6,223.28, 8,588.13 and 3,428.78

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Solution

The fourth proportional to 6,223.28, 8,588.13 and 3,428.78 is: 4,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.28 : 8,588.13 = 3,428.78 : x
  2. Step 2: Convert to fraction form
    6,223.28/8,588.13 = 3,428.78/x
  3. Step 3: Cross multiply
    6,223.28x = 8,588.13 × 3,428.78
  4. Step 4: Simplify right side
    6,223.28x = 29,446,808.38
  5. Step 5: Solve for x
    x = 29,446,808.38/6,223.28
  6. Step 6: Final answer
    x = 4,731.72

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Half 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.