Home / 7,757.28-11,612.88-5,015.52

Finding the Fourth Proportional to 7,757.28, 11,612.88 and 5,015.52

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Solution

The fourth proportional to 7,757.28, 11,612.88 and 5,015.52 is: 7,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.28 : 11,612.88 = 5,015.52 : x
  2. Step 2: Convert to fraction form
    7,757.28/11,612.88 = 5,015.52/x
  3. Step 3: Cross multiply
    7,757.28x = 11,612.88 × 5,015.52
  4. Step 4: Simplify right side
    7,757.28x = 58,244,631.90
  5. Step 5: Solve for x
    x = 58,244,631.90/7,757.28
  6. Step 6: Final answer
    x = 7,508.38

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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.