Home / 7,997.29-11,988.18-4,488.97

Finding the Fourth Proportional to 7,997.29, 11,988.18 and 4,488.97

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Solution

The fourth proportional to 7,997.29, 11,988.18 and 4,488.97 is: 6,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.29 : 11,988.18 = 4,488.97 : x
  2. Step 2: Convert to fraction form
    7,997.29/11,988.18 = 4,488.97/x
  3. Step 3: Cross multiply
    7,997.29x = 11,988.18 × 4,488.97
  4. Step 4: Simplify right side
    7,997.29x = 53,814,580.37
  5. Step 5: Solve for x
    x = 53,814,580.37/7,997.29
  6. Step 6: Final answer
    x = 6,729.10

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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.