Home / 7,451.52-11,177.28-3,290.64

Finding the Fourth Proportional to 7,451.52, 11,177.28 and 3,290.64

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Solution

The fourth proportional to 7,451.52, 11,177.28 and 3,290.64 is: 4,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.52 : 11,177.28 = 3,290.64 : x
  2. Step 2: Convert to fraction form
    7,451.52/11,177.28 = 3,290.64/x
  3. Step 3: Cross multiply
    7,451.52x = 11,177.28 × 3,290.64
  4. Step 4: Simplify right side
    7,451.52x = 36,780,404.66
  5. Step 5: Solve for x
    x = 36,780,404.66/7,451.52
  6. Step 6: Final answer
    x = 4,935.96

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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.