Home / 5,445.20-8,167.88-1,549.70

Finding the Fourth Proportional to 5,445.20, 8,167.88 and 1,549.70

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Solution

The fourth proportional to 5,445.20, 8,167.88 and 1,549.70 is: 2,324.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.20 : 8,167.88 = 1,549.70 : x
  2. Step 2: Convert to fraction form
    5,445.20/8,167.88 = 1,549.70/x
  3. Step 3: Cross multiply
    5,445.20x = 8,167.88 × 1,549.70
  4. Step 4: Simplify right side
    5,445.20x = 12,657,763.64
  5. Step 5: Solve for x
    x = 12,657,763.64/5,445.20
  6. Step 6: Final answer
    x = 2,324.57

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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.