Home / 6,531.60-9,786.87-3,411.48

Finding the Fourth Proportional to 6,531.60, 9,786.87 and 3,411.48

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Solution

The fourth proportional to 6,531.60, 9,786.87 and 3,411.48 is: 5,111.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,531.60 : 9,786.87 = 3,411.48 : x
  2. Step 2: Convert to fraction form
    6,531.60/9,786.87 = 3,411.48/x
  3. Step 3: Cross multiply
    6,531.60x = 9,786.87 × 3,411.48
  4. Step 4: Simplify right side
    6,531.60x = 33,387,711.27
  5. Step 5: Solve for x
    x = 33,387,711.27/6,531.60
  6. Step 6: Final answer
    x = 5,111.72

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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.