Home / 4,121.40-5,687.64-2,527.86

Finding the Fourth Proportional to 4,121.40, 5,687.64 and 2,527.86

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Solution

The fourth proportional to 4,121.40, 5,687.64 and 2,527.86 is: 3,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.40 : 5,687.64 = 2,527.86 : x
  2. Step 2: Convert to fraction form
    4,121.40/5,687.64 = 2,527.86/x
  3. Step 3: Cross multiply
    4,121.40x = 5,687.64 × 2,527.86
  4. Step 4: Simplify right side
    4,121.40x = 14,377,557.65
  5. Step 5: Solve for x
    x = 14,377,557.65/4,121.40
  6. Step 6: Final answer
    x = 3,488.51

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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.