Home / 8,266.06-12,388.11-3,874.29

Finding the Fourth Proportional to 8,266.06, 12,388.11 and 3,874.29

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Solution

The fourth proportional to 8,266.06, 12,388.11 and 3,874.29 is: 5,806.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.06 : 12,388.11 = 3,874.29 : x
  2. Step 2: Convert to fraction form
    8,266.06/12,388.11 = 3,874.29/x
  3. Step 3: Cross multiply
    8,266.06x = 12,388.11 × 3,874.29
  4. Step 4: Simplify right side
    8,266.06x = 47,995,130.69
  5. Step 5: Solve for x
    x = 47,995,130.69/8,266.06
  6. Step 6: Final answer
    x = 5,806.29

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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.