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Finding the Fourth Proportional to 6,061.60, 9,081.60 and 5,132.80

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Solution

The fourth proportional to 6,061.60, 9,081.60 and 5,132.80 is: 7,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,061.60 : 9,081.60 = 5,132.80 : x
  2. Step 2: Convert to fraction form
    6,061.60/9,081.60 = 5,132.80/x
  3. Step 3: Cross multiply
    6,061.60x = 9,081.60 × 5,132.80
  4. Step 4: Simplify right side
    6,061.60x = 46,614,036.48
  5. Step 5: Solve for x
    x = 46,614,036.48/6,061.60
  6. Step 6: Final answer
    x = 7,690.05

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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.