Home / 8,880.20-13,320.30-3,036.86

Finding the Fourth Proportional to 8,880.20, 13,320.30 and 3,036.86

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Solution

The fourth proportional to 8,880.20, 13,320.30 and 3,036.86 is: 4,555.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.20 : 13,320.30 = 3,036.86 : x
  2. Step 2: Convert to fraction form
    8,880.20/13,320.30 = 3,036.86/x
  3. Step 3: Cross multiply
    8,880.20x = 13,320.30 × 3,036.86
  4. Step 4: Simplify right side
    8,880.20x = 40,451,819.66
  5. Step 5: Solve for x
    x = 40,451,819.66/8,880.20
  6. Step 6: Final answer
    x = 4,555.29

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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.