Home / 8,339.06-12,512.09-3,656.65

Finding the Fourth Proportional to 8,339.06, 12,512.09 and 3,656.65

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Solution

The fourth proportional to 8,339.06, 12,512.09 and 3,656.65 is: 5,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.06 : 12,512.09 = 3,656.65 : x
  2. Step 2: Convert to fraction form
    8,339.06/12,512.09 = 3,656.65/x
  3. Step 3: Cross multiply
    8,339.06x = 12,512.09 × 3,656.65
  4. Step 4: Simplify right side
    8,339.06x = 45,752,333.90
  5. Step 5: Solve for x
    x = 45,752,333.90/8,339.06
  6. Step 6: Final answer
    x = 5,486.51

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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.