Home / 8,116.64-11,200.92-4,581

Finding the Fourth Proportional to 8,116.64, 11,200.92 and 4,581

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Solution

The fourth proportional to 8,116.64, 11,200.92 and 4,581 is: 6,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.64 : 11,200.92 = 4,581 : x
  2. Step 2: Convert to fraction form
    8,116.64/11,200.92 = 4,581/x
  3. Step 3: Cross multiply
    8,116.64x = 11,200.92 × 4,581
  4. Step 4: Simplify right side
    8,116.64x = 51,311,414.52
  5. Step 5: Solve for x
    x = 51,311,414.52/8,116.64
  6. Step 6: Final answer
    x = 6,321.76

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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.