Home / 7,997.36-11,997.88-2,451.51

Finding the Fourth Proportional to 7,997.36, 11,997.88 and 2,451.51

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Solution

The fourth proportional to 7,997.36, 11,997.88 and 2,451.51 is: 3,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.36 : 11,997.88 = 2,451.51 : x
  2. Step 2: Convert to fraction form
    7,997.36/11,997.88 = 2,451.51/x
  3. Step 3: Cross multiply
    7,997.36x = 11,997.88 × 2,451.51
  4. Step 4: Simplify right side
    7,997.36x = 29,412,916.67
  5. Step 5: Solve for x
    x = 29,412,916.67/7,997.36
  6. Step 6: Final answer
    x = 3,677.83

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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.