Home / 4,218.30-5,778.98-4,060.55

Finding the Fourth Proportional to 4,218.30, 5,778.98 and 4,060.55

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Solution

The fourth proportional to 4,218.30, 5,778.98 and 4,060.55 is: 5,562.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.30 : 5,778.98 = 4,060.55 : x
  2. Step 2: Convert to fraction form
    4,218.30/5,778.98 = 4,060.55/x
  3. Step 3: Cross multiply
    4,218.30x = 5,778.98 × 4,060.55
  4. Step 4: Simplify right side
    4,218.30x = 23,465,788.04
  5. Step 5: Solve for x
    x = 23,465,788.04/4,218.30
  6. Step 6: Final answer
    x = 5,562.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.