Home / 8,254.44-12,380.94-3,320.91

Finding the Fourth Proportional to 8,254.44, 12,380.94 and 3,320.91

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Solution

The fourth proportional to 8,254.44, 12,380.94 and 3,320.91 is: 4,981.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.44 : 12,380.94 = 3,320.91 : x
  2. Step 2: Convert to fraction form
    8,254.44/12,380.94 = 3,320.91/x
  3. Step 3: Cross multiply
    8,254.44x = 12,380.94 × 3,320.91
  4. Step 4: Simplify right side
    8,254.44x = 41,115,987.46
  5. Step 5: Solve for x
    x = 41,115,987.46/8,254.44
  6. Step 6: Final answer
    x = 4,981.08

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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.