Home / 5,319.28-7,340.61-3,081.29

Finding the Fourth Proportional to 5,319.28, 7,340.61 and 3,081.29

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Solution

The fourth proportional to 5,319.28, 7,340.61 and 3,081.29 is: 4,252.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.28 : 7,340.61 = 3,081.29 : x
  2. Step 2: Convert to fraction form
    5,319.28/7,340.61 = 3,081.29/x
  3. Step 3: Cross multiply
    5,319.28x = 7,340.61 × 3,081.29
  4. Step 4: Simplify right side
    5,319.28x = 22,618,523.04
  5. Step 5: Solve for x
    x = 22,618,523.04/5,319.28
  6. Step 6: Final answer
    x = 4,252.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.