Home / 7,449.52-11,174.64-4,989.28

Finding the Fourth Proportional to 7,449.52, 11,174.64 and 4,989.28

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Solution

The fourth proportional to 7,449.52, 11,174.64 and 4,989.28 is: 7,484.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.52 : 11,174.64 = 4,989.28 : x
  2. Step 2: Convert to fraction form
    7,449.52/11,174.64 = 4,989.28/x
  3. Step 3: Cross multiply
    7,449.52x = 11,174.64 × 4,989.28
  4. Step 4: Simplify right side
    7,449.52x = 55,753,407.86
  5. Step 5: Solve for x
    x = 55,753,407.86/7,449.52
  6. Step 6: Final answer
    x = 7,484.16

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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.