Home / 8,198.28-11,314.80-4,660.74

Finding the Fourth Proportional to 8,198.28, 11,314.80 and 4,660.74

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Solution

The fourth proportional to 8,198.28, 11,314.80 and 4,660.74 is: 6,432.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.28 : 11,314.80 = 4,660.74 : x
  2. Step 2: Convert to fraction form
    8,198.28/11,314.80 = 4,660.74/x
  3. Step 3: Cross multiply
    8,198.28x = 11,314.80 × 4,660.74
  4. Step 4: Simplify right side
    8,198.28x = 52,735,340.95
  5. Step 5: Solve for x
    x = 52,735,340.95/8,198.28
  6. Step 6: Final answer
    x = 6,432.49

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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.