Home / 4,462.18-6,693.72-2,121.78

Finding the Fourth Proportional to 4,462.18, 6,693.72 and 2,121.78

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Solution

The fourth proportional to 4,462.18, 6,693.72 and 2,121.78 is: 3,182.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.18 : 6,693.72 = 2,121.78 : x
  2. Step 2: Convert to fraction form
    4,462.18/6,693.72 = 2,121.78/x
  3. Step 3: Cross multiply
    4,462.18x = 6,693.72 × 2,121.78
  4. Step 4: Simplify right side
    4,462.18x = 14,202,601.22
  5. Step 5: Solve for x
    x = 14,202,601.22/4,462.18
  6. Step 6: Final answer
    x = 3,182.88

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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.