Home / 5,385.87-7,432.50-3,028.01

Finding the Fourth Proportional to 5,385.87, 7,432.50 and 3,028.01

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Solution

The fourth proportional to 5,385.87, 7,432.50 and 3,028.01 is: 4,178.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.87 : 7,432.50 = 3,028.01 : x
  2. Step 2: Convert to fraction form
    5,385.87/7,432.50 = 3,028.01/x
  3. Step 3: Cross multiply
    5,385.87x = 7,432.50 × 3,028.01
  4. Step 4: Simplify right side
    5,385.87x = 22,505,658.13
  5. Step 5: Solve for x
    x = 22,505,658.13/5,385.87
  6. Step 6: Final answer
    x = 4,178.65

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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.