Home / 4,123.11-5,687.95-3,964.02

Finding the Fourth Proportional to 4,123.11, 5,687.95 and 3,964.02

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Solution

The fourth proportional to 4,123.11, 5,687.95 and 3,964.02 is: 5,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.11 : 5,687.95 = 3,964.02 : x
  2. Step 2: Convert to fraction form
    4,123.11/5,687.95 = 3,964.02/x
  3. Step 3: Cross multiply
    4,123.11x = 5,687.95 × 3,964.02
  4. Step 4: Simplify right side
    4,123.11x = 22,547,147.56
  5. Step 5: Solve for x
    x = 22,547,147.56/4,123.11
  6. Step 6: Final answer
    x = 5,468.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.