Home / 8,020.68-11,064.78-4,874.76

Finding the Fourth Proportional to 8,020.68, 11,064.78 and 4,874.76

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Solution

The fourth proportional to 8,020.68, 11,064.78 and 4,874.76 is: 6,724.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.68 : 11,064.78 = 4,874.76 : x
  2. Step 2: Convert to fraction form
    8,020.68/11,064.78 = 4,874.76/x
  3. Step 3: Cross multiply
    8,020.68x = 11,064.78 × 4,874.76
  4. Step 4: Simplify right side
    8,020.68x = 53,938,146.95
  5. Step 5: Solve for x
    x = 53,938,146.95/8,020.68
  6. Step 6: Final answer
    x = 6,724.88

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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.