Home / 8,308.08-12,467.88-3,691.44

Finding the Fourth Proportional to 8,308.08, 12,467.88 and 3,691.44

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Solution

The fourth proportional to 8,308.08, 12,467.88 and 3,691.44 is: 5,539.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.08 : 12,467.88 = 3,691.44 : x
  2. Step 2: Convert to fraction form
    8,308.08/12,467.88 = 3,691.44/x
  3. Step 3: Cross multiply
    8,308.08x = 12,467.88 × 3,691.44
  4. Step 4: Simplify right side
    8,308.08x = 46,024,430.95
  5. Step 5: Solve for x
    x = 46,024,430.95/8,308.08
  6. Step 6: Final answer
    x = 5,539.72

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1.5x scale

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.