Home / 8,139.92-11,233.90-4,953.44

Finding the Fourth Proportional to 8,139.92, 11,233.90 and 4,953.44

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Solution

The fourth proportional to 8,139.92, 11,233.90 and 4,953.44 is: 6,836.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,139.92 : 11,233.90 = 4,953.44 : x
  2. Step 2: Convert to fraction form
    8,139.92/11,233.90 = 4,953.44/x
  3. Step 3: Cross multiply
    8,139.92x = 11,233.90 × 4,953.44
  4. Step 4: Simplify right side
    8,139.92x = 55,646,449.62
  5. Step 5: Solve for x
    x = 55,646,449.62/8,139.92
  6. Step 6: Final answer
    x = 6,836.24

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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.