Home / 8,176.97-12,265.46-2,981.63

Finding the Fourth Proportional to 8,176.97, 12,265.46 and 2,981.63

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Solution

The fourth proportional to 8,176.97, 12,265.46 and 2,981.63 is: 4,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.97 : 12,265.46 = 2,981.63 : x
  2. Step 2: Convert to fraction form
    8,176.97/12,265.46 = 2,981.63/x
  3. Step 3: Cross multiply
    8,176.97x = 12,265.46 × 2,981.63
  4. Step 4: Simplify right side
    8,176.97x = 36,570,987.26
  5. Step 5: Solve for x
    x = 36,570,987.26/8,176.97
  6. Step 6: Final answer
    x = 4,472.44

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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.