Home / 7,505.30-11,249.97-5,157.76

Finding the Fourth Proportional to 7,505.30, 11,249.97 and 5,157.76

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Solution

The fourth proportional to 7,505.30, 11,249.97 and 5,157.76 is: 7,731.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.30 : 11,249.97 = 5,157.76 : x
  2. Step 2: Convert to fraction form
    7,505.30/11,249.97 = 5,157.76/x
  3. Step 3: Cross multiply
    7,505.30x = 11,249.97 × 5,157.76
  4. Step 4: Simplify right side
    7,505.30x = 58,024,645.27
  5. Step 5: Solve for x
    x = 58,024,645.27/7,505.30
  6. Step 6: Final answer
    x = 7,731.16

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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.