Home / 8,261.82-12,393.51-2,715.18

Finding the Fourth Proportional to 8,261.82, 12,393.51 and 2,715.18

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Solution

The fourth proportional to 8,261.82, 12,393.51 and 2,715.18 is: 4,073.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.82 : 12,393.51 = 2,715.18 : x
  2. Step 2: Convert to fraction form
    8,261.82/12,393.51 = 2,715.18/x
  3. Step 3: Cross multiply
    8,261.82x = 12,393.51 × 2,715.18
  4. Step 4: Simplify right side
    8,261.82x = 33,650,610.48
  5. Step 5: Solve for x
    x = 33,650,610.48/8,261.82
  6. Step 6: Final answer
    x = 4,073.03

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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.