Home / 8,799.88-13,204.78-3,609.40

Finding the Fourth Proportional to 8,799.88, 13,204.78 and 3,609.40

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Solution

The fourth proportional to 8,799.88, 13,204.78 and 3,609.40 is: 5,416.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.88 : 13,204.78 = 3,609.40 : x
  2. Step 2: Convert to fraction form
    8,799.88/13,204.78 = 3,609.40/x
  3. Step 3: Cross multiply
    8,799.88x = 13,204.78 × 3,609.40
  4. Step 4: Simplify right side
    8,799.88x = 47,661,332.93
  5. Step 5: Solve for x
    x = 47,661,332.93/8,799.88
  6. Step 6: Final answer
    x = 5,416.13

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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.