Home / 8,789.40-13,179.54-3,242.52

Finding the Fourth Proportional to 8,789.40, 13,179.54 and 3,242.52

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Solution

The fourth proportional to 8,789.40, 13,179.54 and 3,242.52 is: 4,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,789.40 : 13,179.54 = 3,242.52 : x
  2. Step 2: Convert to fraction form
    8,789.40/13,179.54 = 3,242.52/x
  3. Step 3: Cross multiply
    8,789.40x = 13,179.54 × 3,242.52
  4. Step 4: Simplify right side
    8,789.40x = 42,734,922.04
  5. Step 5: Solve for x
    x = 42,734,922.04/8,789.40
  6. Step 6: Final answer
    x = 4,862.10

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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.