Home / 7,988.49-11,018.97-5,299.65

Finding the Fourth Proportional to 7,988.49, 11,018.97 and 5,299.65

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Solution

The fourth proportional to 7,988.49, 11,018.97 and 5,299.65 is: 7,310.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.49 : 11,018.97 = 5,299.65 : x
  2. Step 2: Convert to fraction form
    7,988.49/11,018.97 = 5,299.65/x
  3. Step 3: Cross multiply
    7,988.49x = 11,018.97 × 5,299.65
  4. Step 4: Simplify right side
    7,988.49x = 58,396,684.36
  5. Step 5: Solve for x
    x = 58,396,684.36/7,988.49
  6. Step 6: Final answer
    x = 7,310.10

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Similar ratio
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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.