Home / 8,146.33-11,251.14-5,489.13

Finding the Fourth Proportional to 8,146.33, 11,251.14 and 5,489.13

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Solution

The fourth proportional to 8,146.33, 11,251.14 and 5,489.13 is: 7,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,146.33 : 11,251.14 = 5,489.13 : x
  2. Step 2: Convert to fraction form
    8,146.33/11,251.14 = 5,489.13/x
  3. Step 3: Cross multiply
    8,146.33x = 11,251.14 × 5,489.13
  4. Step 4: Simplify right side
    8,146.33x = 61,758,970.11
  5. Step 5: Solve for x
    x = 61,758,970.11/8,146.33
  6. Step 6: Final answer
    x = 7,581.20

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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.