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Finding the Fourth Proportional to 8,081.60, 12,118.80 and 3,700.48

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Solution

The fourth proportional to 8,081.60, 12,118.80 and 3,700.48 is: 5,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.60 : 12,118.80 = 3,700.48 : x
  2. Step 2: Convert to fraction form
    8,081.60/12,118.80 = 3,700.48/x
  3. Step 3: Cross multiply
    8,081.60x = 12,118.80 × 3,700.48
  4. Step 4: Simplify right side
    8,081.60x = 44,845,377.02
  5. Step 5: Solve for x
    x = 44,845,377.02/8,081.60
  6. Step 6: Final answer
    x = 5,549.07

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