Home / 8,591.13-12,880.40-2,744.37

Finding the Fourth Proportional to 8,591.13, 12,880.40 and 2,744.37

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Solution

The fourth proportional to 8,591.13, 12,880.40 and 2,744.37 is: 4,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.13 : 12,880.40 = 2,744.37 : x
  2. Step 2: Convert to fraction form
    8,591.13/12,880.40 = 2,744.37/x
  3. Step 3: Cross multiply
    8,591.13x = 12,880.40 × 2,744.37
  4. Step 4: Simplify right side
    8,591.13x = 35,348,569.63
  5. Step 5: Solve for x
    x = 35,348,569.63/8,591.13
  6. Step 6: Final answer
    x = 4,114.54

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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.