Home / 9,269.28-12,791.52-5,077.68

Finding the Fourth Proportional to 9,269.28, 12,791.52 and 5,077.68

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Solution

The fourth proportional to 9,269.28, 12,791.52 and 5,077.68 is: 7,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,269.28 : 12,791.52 = 5,077.68 : x
  2. Step 2: Convert to fraction form
    9,269.28/12,791.52 = 5,077.68/x
  3. Step 3: Cross multiply
    9,269.28x = 12,791.52 × 5,077.68
  4. Step 4: Simplify right side
    9,269.28x = 64,951,245.27
  5. Step 5: Solve for x
    x = 64,951,245.27/9,269.28
  6. Step 6: Final answer
    x = 7,007.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.