Home / 7,247.42-10,871.82-2,315.89

Finding the Fourth Proportional to 7,247.42, 10,871.82 and 2,315.89

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Solution

The fourth proportional to 7,247.42, 10,871.82 and 2,315.89 is: 3,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,247.42 : 10,871.82 = 2,315.89 : x
  2. Step 2: Convert to fraction form
    7,247.42/10,871.82 = 2,315.89/x
  3. Step 3: Cross multiply
    7,247.42x = 10,871.82 × 2,315.89
  4. Step 4: Simplify right side
    7,247.42x = 25,177,952.81
  5. Step 5: Solve for x
    x = 25,177,952.81/7,247.42
  6. Step 6: Final answer
    x = 3,474.06

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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.