Home / 5,159.28-7,736.37-3,677.70

Finding the Fourth Proportional to 5,159.28, 7,736.37 and 3,677.70

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Solution

The fourth proportional to 5,159.28, 7,736.37 and 3,677.70 is: 5,514.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.28 : 7,736.37 = 3,677.70 : x
  2. Step 2: Convert to fraction form
    5,159.28/7,736.37 = 3,677.70/x
  3. Step 3: Cross multiply
    5,159.28x = 7,736.37 × 3,677.70
  4. Step 4: Simplify right side
    5,159.28x = 28,452,047.95
  5. Step 5: Solve for x
    x = 28,452,047.95/5,159.28
  6. Step 6: Final answer
    x = 5,514.73

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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.