Home / 8,505.28-12,757.23-5,376.16

Finding the Fourth Proportional to 8,505.28, 12,757.23 and 5,376.16

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Solution

The fourth proportional to 8,505.28, 12,757.23 and 5,376.16 is: 8,063.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.28 : 12,757.23 = 5,376.16 : x
  2. Step 2: Convert to fraction form
    8,505.28/12,757.23 = 5,376.16/x
  3. Step 3: Cross multiply
    8,505.28x = 12,757.23 × 5,376.16
  4. Step 4: Simplify right side
    8,505.28x = 68,584,925.58
  5. Step 5: Solve for x
    x = 68,584,925.58/8,505.28
  6. Step 6: Final answer
    x = 8,063.80

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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.