Home / 4,319.92-6,479.79-1,241.92

Finding the Fourth Proportional to 4,319.92, 6,479.79 and 1,241.92

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Solution

The fourth proportional to 4,319.92, 6,479.79 and 1,241.92 is: 1,862.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.92 : 6,479.79 = 1,241.92 : x
  2. Step 2: Convert to fraction form
    4,319.92/6,479.79 = 1,241.92/x
  3. Step 3: Cross multiply
    4,319.92x = 6,479.79 × 1,241.92
  4. Step 4: Simplify right side
    4,319.92x = 8,047,380.80
  5. Step 5: Solve for x
    x = 8,047,380.80/4,319.92
  6. Step 6: Final answer
    x = 1,862.85

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1.5x scale

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.