Home / 8,105.18-12,148.02-3,716.60

Finding the Fourth Proportional to 8,105.18, 12,148.02 and 3,716.60

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Solution

The fourth proportional to 8,105.18, 12,148.02 and 3,716.60 is: 5,570.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.18 : 12,148.02 = 3,716.60 : x
  2. Step 2: Convert to fraction form
    8,105.18/12,148.02 = 3,716.60/x
  3. Step 3: Cross multiply
    8,105.18x = 12,148.02 × 3,716.60
  4. Step 4: Simplify right side
    8,105.18x = 45,149,331.13
  5. Step 5: Solve for x
    x = 45,149,331.13/8,105.18
  6. Step 6: Final answer
    x = 5,570.43

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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.