Home / 8,132.36-12,187.60-5,930.78

Finding the Fourth Proportional to 8,132.36, 12,187.60 and 5,930.78

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Solution

The fourth proportional to 8,132.36, 12,187.60 and 5,930.78 is: 8,888.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.36 : 12,187.60 = 5,930.78 : x
  2. Step 2: Convert to fraction form
    8,132.36/12,187.60 = 5,930.78/x
  3. Step 3: Cross multiply
    8,132.36x = 12,187.60 × 5,930.78
  4. Step 4: Simplify right side
    8,132.36x = 72,281,974.33
  5. Step 5: Solve for x
    x = 72,281,974.33/8,132.36
  6. Step 6: Final answer
    x = 8,888.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.