Home / 8,266.85-12,400.28-2,110.85

Finding the Fourth Proportional to 8,266.85, 12,400.28 and 2,110.85

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Solution

The fourth proportional to 8,266.85, 12,400.28 and 2,110.85 is: 3,166.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.85 : 12,400.28 = 2,110.85 : x
  2. Step 2: Convert to fraction form
    8,266.85/12,400.28 = 2,110.85/x
  3. Step 3: Cross multiply
    8,266.85x = 12,400.28 × 2,110.85
  4. Step 4: Simplify right side
    8,266.85x = 26,175,120.48
  5. Step 5: Solve for x
    x = 26,175,120.48/8,266.85
  6. Step 6: Final answer
    x = 3,166.28

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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.