Home / 5,414.10-8,126.62-3,445.80

Finding the Fourth Proportional to 5,414.10, 8,126.62 and 3,445.80

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Solution

The fourth proportional to 5,414.10, 8,126.62 and 3,445.80 is: 5,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.10 : 8,126.62 = 3,445.80 : x
  2. Step 2: Convert to fraction form
    5,414.10/8,126.62 = 3,445.80/x
  3. Step 3: Cross multiply
    5,414.10x = 8,126.62 × 3,445.80
  4. Step 4: Simplify right side
    5,414.10x = 28,002,707.20
  5. Step 5: Solve for x
    x = 28,002,707.20/5,414.10
  6. Step 6: Final answer
    x = 5,172.18

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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.