Home / 8,132.40-12,198.60-2,937.24

Finding the Fourth Proportional to 8,132.40, 12,198.60 and 2,937.24

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Solution

The fourth proportional to 8,132.40, 12,198.60 and 2,937.24 is: 4,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.40 : 12,198.60 = 2,937.24 : x
  2. Step 2: Convert to fraction form
    8,132.40/12,198.60 = 2,937.24/x
  3. Step 3: Cross multiply
    8,132.40x = 12,198.60 × 2,937.24
  4. Step 4: Simplify right side
    8,132.40x = 35,830,215.86
  5. Step 5: Solve for x
    x = 35,830,215.86/8,132.40
  6. Step 6: Final answer
    x = 4,405.86

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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.