Home / 7,245.38-10,867.82-2,315.30

Finding the Fourth Proportional to 7,245.38, 10,867.82 and 2,315.30

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Solution

The fourth proportional to 7,245.38, 10,867.82 and 2,315.30 is: 3,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.38 : 10,867.82 = 2,315.30 : x
  2. Step 2: Convert to fraction form
    7,245.38/10,867.82 = 2,315.30/x
  3. Step 3: Cross multiply
    7,245.38x = 10,867.82 × 2,315.30
  4. Step 4: Simplify right side
    7,245.38x = 25,162,263.65
  5. Step 5: Solve for x
    x = 25,162,263.65/7,245.38
  6. Step 6: Final answer
    x = 3,472.87

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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.