Home / 5,077.45-7,614.28-2,155.97

Finding the Fourth Proportional to 5,077.45, 7,614.28 and 2,155.97

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Solution

The fourth proportional to 5,077.45, 7,614.28 and 2,155.97 is: 3,233.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,077.45 : 7,614.28 = 2,155.97 : x
  2. Step 2: Convert to fraction form
    5,077.45/7,614.28 = 2,155.97/x
  3. Step 3: Cross multiply
    5,077.45x = 7,614.28 × 2,155.97
  4. Step 4: Simplify right side
    5,077.45x = 16,416,159.25
  5. Step 5: Solve for x
    x = 16,416,159.25/5,077.45
  6. Step 6: Final answer
    x = 3,233.15

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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.