Home / 4,758.62-7,138.34-1,248.62

Finding the Fourth Proportional to 4,758.62, 7,138.34 and 1,248.62

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Solution

The fourth proportional to 4,758.62, 7,138.34 and 1,248.62 is: 1,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.62 : 7,138.34 = 1,248.62 : x
  2. Step 2: Convert to fraction form
    4,758.62/7,138.34 = 1,248.62/x
  3. Step 3: Cross multiply
    4,758.62x = 7,138.34 × 1,248.62
  4. Step 4: Simplify right side
    4,758.62x = 8,913,074.09
  5. Step 5: Solve for x
    x = 8,913,074.09/4,758.62
  6. Step 6: Final answer
    x = 1,873.04

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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.