Home / 4,166.20-6,249.90-2,218.55

Finding the Fourth Proportional to 4,166.20, 6,249.90 and 2,218.55

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Solution

The fourth proportional to 4,166.20, 6,249.90 and 2,218.55 is: 3,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.20 : 6,249.90 = 2,218.55 : x
  2. Step 2: Convert to fraction form
    4,166.20/6,249.90 = 2,218.55/x
  3. Step 3: Cross multiply
    4,166.20x = 6,249.90 × 2,218.55
  4. Step 4: Simplify right side
    4,166.20x = 13,865,715.65
  5. Step 5: Solve for x
    x = 13,865,715.65/4,166.20
  6. Step 6: Final answer
    x = 3,328.14

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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.