Home / 8,799.26-13,186.26-5,290.70

Finding the Fourth Proportional to 8,799.26, 13,186.26 and 5,290.70

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Solution

The fourth proportional to 8,799.26, 13,186.26 and 5,290.70 is: 7,928.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.26 : 13,186.26 = 5,290.70 : x
  2. Step 2: Convert to fraction form
    8,799.26/13,186.26 = 5,290.70/x
  3. Step 3: Cross multiply
    8,799.26x = 13,186.26 × 5,290.70
  4. Step 4: Simplify right side
    8,799.26x = 69,764,545.78
  5. Step 5: Solve for x
    x = 69,764,545.78/8,799.26
  6. Step 6: Final answer
    x = 7,928.46

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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.