Home / 5,092.47-7,639.08-3,247.20

Finding the Fourth Proportional to 5,092.47, 7,639.08 and 3,247.20

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Solution

The fourth proportional to 5,092.47, 7,639.08 and 3,247.20 is: 4,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.47 : 7,639.08 = 3,247.20 : x
  2. Step 2: Convert to fraction form
    5,092.47/7,639.08 = 3,247.20/x
  3. Step 3: Cross multiply
    5,092.47x = 7,639.08 × 3,247.20
  4. Step 4: Simplify right side
    5,092.47x = 24,805,620.58
  5. Step 5: Solve for x
    x = 24,805,620.58/5,092.47
  6. Step 6: Final answer
    x = 4,871.04

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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.