Home / 5,385.95-7,432.38-3,028.04

Finding the Fourth Proportional to 5,385.95, 7,432.38 and 3,028.04

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Solution

The fourth proportional to 5,385.95, 7,432.38 and 3,028.04 is: 4,178.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.95 : 7,432.38 = 3,028.04 : x
  2. Step 2: Convert to fraction form
    5,385.95/7,432.38 = 3,028.04/x
  3. Step 3: Cross multiply
    5,385.95x = 7,432.38 × 3,028.04
  4. Step 4: Simplify right side
    5,385.95x = 22,505,506.77
  5. Step 5: Solve for x
    x = 22,505,506.77/5,385.95
  6. Step 6: Final answer
    x = 4,178.56

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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.