Home / 7,997.38-12,001.40-2,803.26

Finding the Fourth Proportional to 7,997.38, 12,001.40 and 2,803.26

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Solution

The fourth proportional to 7,997.38, 12,001.40 and 2,803.26 is: 4,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.38 : 12,001.40 = 2,803.26 : x
  2. Step 2: Convert to fraction form
    7,997.38/12,001.40 = 2,803.26/x
  3. Step 3: Cross multiply
    7,997.38x = 12,001.40 × 2,803.26
  4. Step 4: Simplify right side
    7,997.38x = 33,643,044.56
  5. Step 5: Solve for x
    x = 33,643,044.56/7,997.38
  6. Step 6: Final answer
    x = 4,206.76

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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.