Home / 5,385.50-7,432.29-3,027.79

Finding the Fourth Proportional to 5,385.50, 7,432.29 and 3,027.79

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Solution

The fourth proportional to 5,385.50, 7,432.29 and 3,027.79 is: 4,178.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.50 : 7,432.29 = 3,027.79 : x
  2. Step 2: Convert to fraction form
    5,385.50/7,432.29 = 3,027.79/x
  3. Step 3: Cross multiply
    5,385.50x = 7,432.29 × 3,027.79
  4. Step 4: Simplify right side
    5,385.50x = 22,503,413.34
  5. Step 5: Solve for x
    x = 22,503,413.34/5,385.50
  6. Step 6: Final answer
    x = 4,178.52

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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.