Home / 4,180.12-6,269.50-1,257.92

Finding the Fourth Proportional to 4,180.12, 6,269.50 and 1,257.92

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Solution

The fourth proportional to 4,180.12, 6,269.50 and 1,257.92 is: 1,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.12 : 6,269.50 = 1,257.92 : x
  2. Step 2: Convert to fraction form
    4,180.12/6,269.50 = 1,257.92/x
  3. Step 3: Cross multiply
    4,180.12x = 6,269.50 × 1,257.92
  4. Step 4: Simplify right side
    4,180.12x = 7,886,529.44
  5. Step 5: Solve for x
    x = 7,886,529.44/4,180.12
  6. Step 6: Final answer
    x = 1,886.68

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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.