Home / 8,868.46-12,238.56-4,889.73

Finding the Fourth Proportional to 8,868.46, 12,238.56 and 4,889.73

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Solution

The fourth proportional to 8,868.46, 12,238.56 and 4,889.73 is: 6,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.46 : 12,238.56 = 4,889.73 : x
  2. Step 2: Convert to fraction form
    8,868.46/12,238.56 = 4,889.73/x
  3. Step 3: Cross multiply
    8,868.46x = 12,238.56 × 4,889.73
  4. Step 4: Simplify right side
    8,868.46x = 59,843,253.99
  5. Step 5: Solve for x
    x = 59,843,253.99/8,868.46
  6. Step 6: Final answer
    x = 6,747.87

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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.