Home / 8,633.27-12,953.55-5,129.97

Finding the Fourth Proportional to 8,633.27, 12,953.55 and 5,129.97

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Solution

The fourth proportional to 8,633.27, 12,953.55 and 5,129.97 is: 7,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.27 : 12,953.55 = 5,129.97 : x
  2. Step 2: Convert to fraction form
    8,633.27/12,953.55 = 5,129.97/x
  3. Step 3: Cross multiply
    8,633.27x = 12,953.55 × 5,129.97
  4. Step 4: Simplify right side
    8,633.27x = 66,451,322.89
  5. Step 5: Solve for x
    x = 66,451,322.89/8,633.27
  6. Step 6: Final answer
    x = 7,697.12

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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.