Home / 7,512.85-11,266.39-2,581.57

Finding the Fourth Proportional to 7,512.85, 11,266.39 and 2,581.57

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Solution

The fourth proportional to 7,512.85, 11,266.39 and 2,581.57 is: 3,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.85 : 11,266.39 = 2,581.57 : x
  2. Step 2: Convert to fraction form
    7,512.85/11,266.39 = 2,581.57/x
  3. Step 3: Cross multiply
    7,512.85x = 11,266.39 × 2,581.57
  4. Step 4: Simplify right side
    7,512.85x = 29,084,949.49
  5. Step 5: Solve for x
    x = 29,084,949.49/7,512.85
  6. Step 6: Final answer
    x = 3,871.36

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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.