Home / 8,062.44-12,084.86-3,130.60

Finding the Fourth Proportional to 8,062.44, 12,084.86 and 3,130.60

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Solution

The fourth proportional to 8,062.44, 12,084.86 and 3,130.60 is: 4,692.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,062.44 : 12,084.86 = 3,130.60 : x
  2. Step 2: Convert to fraction form
    8,062.44/12,084.86 = 3,130.60/x
  3. Step 3: Cross multiply
    8,062.44x = 12,084.86 × 3,130.60
  4. Step 4: Simplify right side
    8,062.44x = 37,832,862.72
  5. Step 5: Solve for x
    x = 37,832,862.72/8,062.44
  6. Step 6: Final answer
    x = 4,692.48

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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.