Home / 5,319.28-7,976.31-3,098.87

Finding the Fourth Proportional to 5,319.28, 7,976.31 and 3,098.87

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Solution

The fourth proportional to 5,319.28, 7,976.31 and 3,098.87 is: 4,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.28 : 7,976.31 = 3,098.87 : x
  2. Step 2: Convert to fraction form
    5,319.28/7,976.31 = 3,098.87/x
  3. Step 3: Cross multiply
    5,319.28x = 7,976.31 × 3,098.87
  4. Step 4: Simplify right side
    5,319.28x = 24,717,547.77
  5. Step 5: Solve for x
    x = 24,717,547.77/5,319.28
  6. Step 6: Final answer
    x = 4,646.78

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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.