Home / 5,385.96-7,432.31-3,027.94

Finding the Fourth Proportional to 5,385.96, 7,432.31 and 3,027.94

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Solution

The fourth proportional to 5,385.96, 7,432.31 and 3,027.94 is: 4,178.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.96 : 7,432.31 = 3,027.94 : x
  2. Step 2: Convert to fraction form
    5,385.96/7,432.31 = 3,027.94/x
  3. Step 3: Cross multiply
    5,385.96x = 7,432.31 × 3,027.94
  4. Step 4: Simplify right side
    5,385.96x = 22,504,577.73
  5. Step 5: Solve for x
    x = 22,504,577.73/5,385.96
  6. Step 6: Final answer
    x = 4,178.38

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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.