Home / 5,520.28-8,278-3,437.16

Finding the Fourth Proportional to 5,520.28, 8,278 and 3,437.16

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Solution

The fourth proportional to 5,520.28, 8,278 and 3,437.16 is: 5,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.28 : 8,278 = 3,437.16 : x
  2. Step 2: Convert to fraction form
    5,520.28/8,278 = 3,437.16/x
  3. Step 3: Cross multiply
    5,520.28x = 8,278 × 3,437.16
  4. Step 4: Simplify right side
    5,520.28x = 28,452,810.48
  5. Step 5: Solve for x
    x = 28,452,810.48/5,520.28
  6. Step 6: Final answer
    x = 5,154.23

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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.