Home / 8,177.91-11,261.07-7,994.04

Finding the Fourth Proportional to 8,177.91, 11,261.07 and 7,994.04

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Solution

The fourth proportional to 8,177.91, 11,261.07 and 7,994.04 is: 11,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.91 : 11,261.07 = 7,994.04 : x
  2. Step 2: Convert to fraction form
    8,177.91/11,261.07 = 7,994.04/x
  3. Step 3: Cross multiply
    8,177.91x = 11,261.07 × 7,994.04
  4. Step 4: Simplify right side
    8,177.91x = 90,021,444.02
  5. Step 5: Solve for x
    x = 90,021,444.02/8,177.91
  6. Step 6: Final answer
    x = 11,007.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.