Home / 9,031.45-13,537.87-5,127.61

Finding the Fourth Proportional to 9,031.45, 13,537.87 and 5,127.61

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Solution

The fourth proportional to 9,031.45, 13,537.87 and 5,127.61 is: 7,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,031.45 : 13,537.87 = 5,127.61 : x
  2. Step 2: Convert to fraction form
    9,031.45/13,537.87 = 5,127.61/x
  3. Step 3: Cross multiply
    9,031.45x = 13,537.87 × 5,127.61
  4. Step 4: Simplify right side
    9,031.45x = 69,416,837.08
  5. Step 5: Solve for x
    x = 69,416,837.08/9,031.45
  6. Step 6: Final answer
    x = 7,686.13

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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.