Home / 6,288.30-9,432.45-5,136.30

Finding the Fourth Proportional to 6,288.30, 9,432.45 and 5,136.30

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Solution

The fourth proportional to 6,288.30, 9,432.45 and 5,136.30 is: 7,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.30 : 9,432.45 = 5,136.30 : x
  2. Step 2: Convert to fraction form
    6,288.30/9,432.45 = 5,136.30/x
  3. Step 3: Cross multiply
    6,288.30x = 9,432.45 × 5,136.30
  4. Step 4: Simplify right side
    6,288.30x = 48,447,892.94
  5. Step 5: Solve for x
    x = 48,447,892.94/6,288.30
  6. Step 6: Final answer
    x = 7,704.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.