Home / 8,799.45-13,200.33-2,874.27

Finding the Fourth Proportional to 8,799.45, 13,200.33 and 2,874.27

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Solution

The fourth proportional to 8,799.45, 13,200.33 and 2,874.27 is: 4,311.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799.45 : 13,200.33 = 2,874.27 : x
  2. Step 2: Convert to fraction form
    8,799.45/13,200.33 = 2,874.27/x
  3. Step 3: Cross multiply
    8,799.45x = 13,200.33 × 2,874.27
  4. Step 4: Simplify right side
    8,799.45x = 37,941,312.51
  5. Step 5: Solve for x
    x = 37,941,312.51/8,799.45
  6. Step 6: Final answer
    x = 4,311.78

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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.