Home / 4,687.62-7,027.11-2,378.58

Finding the Fourth Proportional to 4,687.62, 7,027.11 and 2,378.58

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Solution

The fourth proportional to 4,687.62, 7,027.11 and 2,378.58 is: 3,565.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.62 : 7,027.11 = 2,378.58 : x
  2. Step 2: Convert to fraction form
    4,687.62/7,027.11 = 2,378.58/x
  3. Step 3: Cross multiply
    4,687.62x = 7,027.11 × 2,378.58
  4. Step 4: Simplify right side
    4,687.62x = 16,714,543.30
  5. Step 5: Solve for x
    x = 16,714,543.30/4,687.62
  6. Step 6: Final answer
    x = 3,565.68

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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.