Home / 9,007.20-13,493.88-3,456.78

Finding the Fourth Proportional to 9,007.20, 13,493.88 and 3,456.78

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Solution

The fourth proportional to 9,007.20, 13,493.88 and 3,456.78 is: 5,178.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.20 : 13,493.88 = 3,456.78 : x
  2. Step 2: Convert to fraction form
    9,007.20/13,493.88 = 3,456.78/x
  3. Step 3: Cross multiply
    9,007.20x = 13,493.88 × 3,456.78
  4. Step 4: Simplify right side
    9,007.20x = 46,645,374.51
  5. Step 5: Solve for x
    x = 46,645,374.51/9,007.20
  6. Step 6: Final answer
    x = 5,178.68

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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.