Home / 8,085.78-12,127.29-2,241.03

Finding the Fourth Proportional to 8,085.78, 12,127.29 and 2,241.03

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Solution

The fourth proportional to 8,085.78, 12,127.29 and 2,241.03 is: 3,361.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085.78 : 12,127.29 = 2,241.03 : x
  2. Step 2: Convert to fraction form
    8,085.78/12,127.29 = 2,241.03/x
  3. Step 3: Cross multiply
    8,085.78x = 12,127.29 × 2,241.03
  4. Step 4: Simplify right side
    8,085.78x = 27,177,620.71
  5. Step 5: Solve for x
    x = 27,177,620.71/8,085.78
  6. Step 6: Final answer
    x = 3,361.16

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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.