Home / 8,134.61-11,221.41-4,948.88

Finding the Fourth Proportional to 8,134.61, 11,221.41 and 4,948.88

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Solution

The fourth proportional to 8,134.61, 11,221.41 and 4,948.88 is: 6,826.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.61 : 11,221.41 = 4,948.88 : x
  2. Step 2: Convert to fraction form
    8,134.61/11,221.41 = 4,948.88/x
  3. Step 3: Cross multiply
    8,134.61x = 11,221.41 × 4,948.88
  4. Step 4: Simplify right side
    8,134.61x = 55,533,373.97
  5. Step 5: Solve for x
    x = 55,533,373.97/8,134.61
  6. Step 6: Final answer
    x = 6,826.81

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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.