Home / 8,747.38-13,121.88-2,904.58

Finding the Fourth Proportional to 8,747.38, 13,121.88 and 2,904.58

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Solution

The fourth proportional to 8,747.38, 13,121.88 and 2,904.58 is: 4,357.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.38 : 13,121.88 = 2,904.58 : x
  2. Step 2: Convert to fraction form
    8,747.38/13,121.88 = 2,904.58/x
  3. Step 3: Cross multiply
    8,747.38x = 13,121.88 × 2,904.58
  4. Step 4: Simplify right side
    8,747.38x = 38,113,550.21
  5. Step 5: Solve for x
    x = 38,113,550.21/8,747.38
  6. Step 6: Final answer
    x = 4,357.14

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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.