Home / 4,249.65-6,372.85-1,399.46

Finding the Fourth Proportional to 4,249.65, 6,372.85 and 1,399.46

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Solution

The fourth proportional to 4,249.65, 6,372.85 and 1,399.46 is: 2,098.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.65 : 6,372.85 = 1,399.46 : x
  2. Step 2: Convert to fraction form
    4,249.65/6,372.85 = 1,399.46/x
  3. Step 3: Cross multiply
    4,249.65x = 6,372.85 × 1,399.46
  4. Step 4: Simplify right side
    4,249.65x = 8,918,557.60
  5. Step 5: Solve for x
    x = 8,918,557.60/4,249.65
  6. Step 6: Final answer
    x = 2,098.66

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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.