Home / 4,760.10-7,142.85-1,838.61

Finding the Fourth Proportional to 4,760.10, 7,142.85 and 1,838.61

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Solution

The fourth proportional to 4,760.10, 7,142.85 and 1,838.61 is: 2,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.10 : 7,142.85 = 1,838.61 : x
  2. Step 2: Convert to fraction form
    4,760.10/7,142.85 = 1,838.61/x
  3. Step 3: Cross multiply
    4,760.10x = 7,142.85 × 1,838.61
  4. Step 4: Simplify right side
    4,760.10x = 13,132,915.44
  5. Step 5: Solve for x
    x = 13,132,915.44/4,760.10
  6. Step 6: Final answer
    x = 2,758.96

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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.