Home / 4,086.18-5,642.15-3,286.93

Finding the Fourth Proportional to 4,086.18, 5,642.15 and 3,286.93

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Solution

The fourth proportional to 4,086.18, 5,642.15 and 3,286.93 is: 4,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.18 : 5,642.15 = 3,286.93 : x
  2. Step 2: Convert to fraction form
    4,086.18/5,642.15 = 3,286.93/x
  3. Step 3: Cross multiply
    4,086.18x = 5,642.15 × 3,286.93
  4. Step 4: Simplify right side
    4,086.18x = 18,545,352.10
  5. Step 5: Solve for x
    x = 18,545,352.10/4,086.18
  6. Step 6: Final answer
    x = 4,538.55

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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.