Home / 8,371.26-12,556.89-3,177.14

Finding the Fourth Proportional to 8,371.26, 12,556.89 and 3,177.14

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Solution

The fourth proportional to 8,371.26, 12,556.89 and 3,177.14 is: 4,765.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.26 : 12,556.89 = 3,177.14 : x
  2. Step 2: Convert to fraction form
    8,371.26/12,556.89 = 3,177.14/x
  3. Step 3: Cross multiply
    8,371.26x = 12,556.89 × 3,177.14
  4. Step 4: Simplify right side
    8,371.26x = 39,894,934.71
  5. Step 5: Solve for x
    x = 39,894,934.71/8,371.26
  6. Step 6: Final answer
    x = 4,765.70

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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.