Home / 5,531.10-8,291.79-2,612.94

Finding the Fourth Proportional to 5,531.10, 8,291.79 and 2,612.94

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Solution

The fourth proportional to 5,531.10, 8,291.79 and 2,612.94 is: 3,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.10 : 8,291.79 = 2,612.94 : x
  2. Step 2: Convert to fraction form
    5,531.10/8,291.79 = 2,612.94/x
  3. Step 3: Cross multiply
    5,531.10x = 8,291.79 × 2,612.94
  4. Step 4: Simplify right side
    5,531.10x = 21,665,949.76
  5. Step 5: Solve for x
    x = 21,665,949.76/5,531.10
  6. Step 6: Final answer
    x = 3,917.11

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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.