Home / 5,149.17-7,105.52-3,159.27

Finding the Fourth Proportional to 5,149.17, 7,105.52 and 3,159.27

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Solution

The fourth proportional to 5,149.17, 7,105.52 and 3,159.27 is: 4,359.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.17 : 7,105.52 = 3,159.27 : x
  2. Step 2: Convert to fraction form
    5,149.17/7,105.52 = 3,159.27/x
  3. Step 3: Cross multiply
    5,149.17x = 7,105.52 × 3,159.27
  4. Step 4: Simplify right side
    5,149.17x = 22,448,264.07
  5. Step 5: Solve for x
    x = 22,448,264.07/5,149.17
  6. Step 6: Final answer
    x = 4,359.59

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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.