Home / 8,248.20-11,382.30-4,471.20

Finding the Fourth Proportional to 8,248.20, 11,382.30 and 4,471.20

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Solution

The fourth proportional to 8,248.20, 11,382.30 and 4,471.20 is: 6,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248.20 : 11,382.30 = 4,471.20 : x
  2. Step 2: Convert to fraction form
    8,248.20/11,382.30 = 4,471.20/x
  3. Step 3: Cross multiply
    8,248.20x = 11,382.30 × 4,471.20
  4. Step 4: Simplify right side
    8,248.20x = 50,892,539.76
  5. Step 5: Solve for x
    x = 50,892,539.76/8,248.20
  6. Step 6: Final answer
    x = 6,170.14

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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.