Home / 8,068.40-11,139.24-5,236.88

Finding the Fourth Proportional to 8,068.40, 11,139.24 and 5,236.88

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Solution

The fourth proportional to 8,068.40, 11,139.24 and 5,236.88 is: 7,230.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.40 : 11,139.24 = 5,236.88 : x
  2. Step 2: Convert to fraction form
    8,068.40/11,139.24 = 5,236.88/x
  3. Step 3: Cross multiply
    8,068.40x = 11,139.24 × 5,236.88
  4. Step 4: Simplify right side
    8,068.40x = 58,334,863.17
  5. Step 5: Solve for x
    x = 58,334,863.17/8,068.40
  6. Step 6: Final answer
    x = 7,230.04

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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.