Home / 3,787.46-5,230.68-3,375.18

Finding the Fourth Proportional to 3,787.46, 5,230.68 and 3,375.18

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Solution

The fourth proportional to 3,787.46, 5,230.68 and 3,375.18 is: 4,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,787.46 : 5,230.68 = 3,375.18 : x
  2. Step 2: Convert to fraction form
    3,787.46/5,230.68 = 3,375.18/x
  3. Step 3: Cross multiply
    3,787.46x = 5,230.68 × 3,375.18
  4. Step 4: Simplify right side
    3,787.46x = 17,654,486.52
  5. Step 5: Solve for x
    x = 17,654,486.52/3,787.46
  6. Step 6: Final answer
    x = 4,661.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.