Home / 8,789.31-13,186.13-4,043.25

Finding the Fourth Proportional to 8,789.31, 13,186.13 and 4,043.25

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Solution

The fourth proportional to 8,789.31, 13,186.13 and 4,043.25 is: 6,065.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.31 : 13,186.13 = 4,043.25 : x
  2. Step 2: Convert to fraction form
    8,789.31/13,186.13 = 4,043.25/x
  3. Step 3: Cross multiply
    8,789.31x = 13,186.13 × 4,043.25
  4. Step 4: Simplify right side
    8,789.31x = 53,314,799.91
  5. Step 5: Solve for x
    x = 53,314,799.91/8,789.31
  6. Step 6: Final answer
    x = 6,065.87

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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.