Home / 5,385.98-7,432.52-3,028.12

Finding the Fourth Proportional to 5,385.98, 7,432.52 and 3,028.12

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Solution

The fourth proportional to 5,385.98, 7,432.52 and 3,028.12 is: 4,178.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.98 : 7,432.52 = 3,028.12 : x
  2. Step 2: Convert to fraction form
    5,385.98/7,432.52 = 3,028.12/x
  3. Step 3: Cross multiply
    5,385.98x = 7,432.52 × 3,028.12
  4. Step 4: Simplify right side
    5,385.98x = 22,506,562.46
  5. Step 5: Solve for x
    x = 22,506,562.46/5,385.98
  6. Step 6: Final answer
    x = 4,178.73

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1.5x scale

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.