Home / 8,247.56-12,372.71-4,087.76

Finding the Fourth Proportional to 8,247.56, 12,372.71 and 4,087.76

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Solution

The fourth proportional to 8,247.56, 12,372.71 and 4,087.76 is: 6,132.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.56 : 12,372.71 = 4,087.76 : x
  2. Step 2: Convert to fraction form
    8,247.56/12,372.71 = 4,087.76/x
  3. Step 3: Cross multiply
    8,247.56x = 12,372.71 × 4,087.76
  4. Step 4: Simplify right side
    8,247.56x = 50,576,586.73
  5. Step 5: Solve for x
    x = 50,576,586.73/8,247.56
  6. Step 6: Final answer
    x = 6,132.31

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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.