Home / 8,820.20-13,226.95-2,578.89

Finding the Fourth Proportional to 8,820.20, 13,226.95 and 2,578.89

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Solution

The fourth proportional to 8,820.20, 13,226.95 and 2,578.89 is: 3,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.20 : 13,226.95 = 2,578.89 : x
  2. Step 2: Convert to fraction form
    8,820.20/13,226.95 = 2,578.89/x
  3. Step 3: Cross multiply
    8,820.20x = 13,226.95 × 2,578.89
  4. Step 4: Simplify right side
    8,820.20x = 34,110,842.64
  5. Step 5: Solve for x
    x = 34,110,842.64/8,820.20
  6. Step 6: Final answer
    x = 3,867.36

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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.