Home / 4,979.52-7,470.40-1,517.12

Finding the Fourth Proportional to 4,979.52, 7,470.40 and 1,517.12

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Solution

The fourth proportional to 4,979.52, 7,470.40 and 1,517.12 is: 2,276.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.52 : 7,470.40 = 1,517.12 : x
  2. Step 2: Convert to fraction form
    4,979.52/7,470.40 = 1,517.12/x
  3. Step 3: Cross multiply
    4,979.52x = 7,470.40 × 1,517.12
  4. Step 4: Simplify right side
    4,979.52x = 11,333,493.25
  5. Step 5: Solve for x
    x = 11,333,493.25/4,979.52
  6. Step 6: Final answer
    x = 2,276.02

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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.