Home / 8,375.13-12,564.52-2,531.79

Finding the Fourth Proportional to 8,375.13, 12,564.52 and 2,531.79

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Solution

The fourth proportional to 8,375.13, 12,564.52 and 2,531.79 is: 3,798.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.13 : 12,564.52 = 2,531.79 : x
  2. Step 2: Convert to fraction form
    8,375.13/12,564.52 = 2,531.79/x
  3. Step 3: Cross multiply
    8,375.13x = 12,564.52 × 2,531.79
  4. Step 4: Simplify right side
    8,375.13x = 31,810,719.76
  5. Step 5: Solve for x
    x = 31,810,719.76/8,375.13
  6. Step 6: Final answer
    x = 3,798.24

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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.