Home / 5,432.60-8,158.80-3,245.60

Finding the Fourth Proportional to 5,432.60, 8,158.80 and 3,245.60

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Solution

The fourth proportional to 5,432.60, 8,158.80 and 3,245.60 is: 4,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.60 : 8,158.80 = 3,245.60 : x
  2. Step 2: Convert to fraction form
    5,432.60/8,158.80 = 3,245.60/x
  3. Step 3: Cross multiply
    5,432.60x = 8,158.80 × 3,245.60
  4. Step 4: Simplify right side
    5,432.60x = 26,480,201.28
  5. Step 5: Solve for x
    x = 26,480,201.28/5,432.60
  6. Step 6: Final answer
    x = 4,874.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.