Home / 7,997.89-11,031.15-5,872.75

Finding the Fourth Proportional to 7,997.89, 11,031.15 and 5,872.75

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Solution

The fourth proportional to 7,997.89, 11,031.15 and 5,872.75 is: 8,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.89 : 11,031.15 = 5,872.75 : x
  2. Step 2: Convert to fraction form
    7,997.89/11,031.15 = 5,872.75/x
  3. Step 3: Cross multiply
    7,997.89x = 11,031.15 × 5,872.75
  4. Step 4: Simplify right side
    7,997.89x = 64,783,186.16
  5. Step 5: Solve for x
    x = 64,783,186.16/7,997.89
  6. Step 6: Final answer
    x = 8,100.03

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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.