Home / 8,508.20-12,765.95-2,958.52

Finding the Fourth Proportional to 8,508.20, 12,765.95 and 2,958.52

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Solution

The fourth proportional to 8,508.20, 12,765.95 and 2,958.52 is: 4,439.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508.20 : 12,765.95 = 2,958.52 : x
  2. Step 2: Convert to fraction form
    8,508.20/12,765.95 = 2,958.52/x
  3. Step 3: Cross multiply
    8,508.20x = 12,765.95 × 2,958.52
  4. Step 4: Simplify right side
    8,508.20x = 37,768,293.88
  5. Step 5: Solve for x
    x = 37,768,293.88/8,508.20
  6. Step 6: Final answer
    x = 4,439.05

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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.