Home / 8,787.13-13,180.66-3,524.49

Finding the Fourth Proportional to 8,787.13, 13,180.66 and 3,524.49

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Solution

The fourth proportional to 8,787.13, 13,180.66 and 3,524.49 is: 5,286.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.13 : 13,180.66 = 3,524.49 : x
  2. Step 2: Convert to fraction form
    8,787.13/13,180.66 = 3,524.49/x
  3. Step 3: Cross multiply
    8,787.13x = 13,180.66 × 3,524.49
  4. Step 4: Simplify right side
    8,787.13x = 46,455,095.55
  5. Step 5: Solve for x
    x = 46,455,095.55/8,787.13
  6. Step 6: Final answer
    x = 5,286.72

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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.