Home / 8,889.75-12,266.91-4,910.76

Finding the Fourth Proportional to 8,889.75, 12,266.91 and 4,910.76

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Solution

The fourth proportional to 8,889.75, 12,266.91 and 4,910.76 is: 6,776.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.75 : 12,266.91 = 4,910.76 : x
  2. Step 2: Convert to fraction form
    8,889.75/12,266.91 = 4,910.76/x
  3. Step 3: Cross multiply
    8,889.75x = 12,266.91 × 4,910.76
  4. Step 4: Simplify right side
    8,889.75x = 60,239,850.95
  5. Step 5: Solve for x
    x = 60,239,850.95/8,889.75
  6. Step 6: Final answer
    x = 6,776.33

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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.