Home / 8,868.11-12,238.55-4,889.22

Finding the Fourth Proportional to 8,868.11, 12,238.55 and 4,889.22

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Solution

The fourth proportional to 8,868.11, 12,238.55 and 4,889.22 is: 6,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.11 : 12,238.55 = 4,889.22 : x
  2. Step 2: Convert to fraction form
    8,868.11/12,238.55 = 4,889.22/x
  3. Step 3: Cross multiply
    8,868.11x = 12,238.55 × 4,889.22
  4. Step 4: Simplify right side
    8,868.11x = 59,836,908.39
  5. Step 5: Solve for x
    x = 59,836,908.39/8,868.11
  6. Step 6: Final answer
    x = 6,747.42

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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.