Home / 8,979.58-13,470.30-3,437.56

Finding the Fourth Proportional to 8,979.58, 13,470.30 and 3,437.56

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Solution

The fourth proportional to 8,979.58, 13,470.30 and 3,437.56 is: 5,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.58 : 13,470.30 = 3,437.56 : x
  2. Step 2: Convert to fraction form
    8,979.58/13,470.30 = 3,437.56/x
  3. Step 3: Cross multiply
    8,979.58x = 13,470.30 × 3,437.56
  4. Step 4: Simplify right side
    8,979.58x = 46,304,930.79
  5. Step 5: Solve for x
    x = 46,304,930.79/8,979.58
  6. Step 6: Final answer
    x = 5,156.69

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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.