Home / 8,160.90-12,242.16-2,965.56

Finding the Fourth Proportional to 8,160.90, 12,242.16 and 2,965.56

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Solution

The fourth proportional to 8,160.90, 12,242.16 and 2,965.56 is: 4,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.90 : 12,242.16 = 2,965.56 : x
  2. Step 2: Convert to fraction form
    8,160.90/12,242.16 = 2,965.56/x
  3. Step 3: Cross multiply
    8,160.90x = 12,242.16 × 2,965.56
  4. Step 4: Simplify right side
    8,160.90x = 36,304,860.01
  5. Step 5: Solve for x
    x = 36,304,860.01/8,160.90
  6. Step 6: Final answer
    x = 4,448.63

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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.