Home / 5,114.43-7,059.20-3,126.15

Finding the Fourth Proportional to 5,114.43, 7,059.20 and 3,126.15

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Solution

The fourth proportional to 5,114.43, 7,059.20 and 3,126.15 is: 4,314.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.43 : 7,059.20 = 3,126.15 : x
  2. Step 2: Convert to fraction form
    5,114.43/7,059.20 = 3,126.15/x
  3. Step 3: Cross multiply
    5,114.43x = 7,059.20 × 3,126.15
  4. Step 4: Simplify right side
    5,114.43x = 22,068,102.45
  5. Step 5: Solve for x
    x = 22,068,102.45/5,114.43
  6. Step 6: Final answer
    x = 4,314.87

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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.