Home / 5,286.20-7,925.70-2,514.20

Finding the Fourth Proportional to 5,286.20, 7,925.70 and 2,514.20

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Solution

The fourth proportional to 5,286.20, 7,925.70 and 2,514.20 is: 3,769.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,286.20 : 7,925.70 = 2,514.20 : x
  2. Step 2: Convert to fraction form
    5,286.20/7,925.70 = 2,514.20/x
  3. Step 3: Cross multiply
    5,286.20x = 7,925.70 × 2,514.20
  4. Step 4: Simplify right side
    5,286.20x = 19,926,794.94
  5. Step 5: Solve for x
    x = 19,926,794.94/5,286.20
  6. Step 6: Final answer
    x = 3,769.59

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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.