Home / 5,385.55-7,432.65-3,027.64

Finding the Fourth Proportional to 5,385.55, 7,432.65 and 3,027.64

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Solution

The fourth proportional to 5,385.55, 7,432.65 and 3,027.64 is: 4,178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.55 : 7,432.65 = 3,027.64 : x
  2. Step 2: Convert to fraction form
    5,385.55/7,432.65 = 3,027.64/x
  3. Step 3: Cross multiply
    5,385.55x = 7,432.65 × 3,027.64
  4. Step 4: Simplify right side
    5,385.55x = 22,503,388.45
  5. Step 5: Solve for x
    x = 22,503,388.45/5,385.55
  6. Step 6: Final answer
    x = 4,178.48

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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.