Home / 8,255.04-12,385.64-3,326.07

Finding the Fourth Proportional to 8,255.04, 12,385.64 and 3,326.07

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Solution

The fourth proportional to 8,255.04, 12,385.64 and 3,326.07 is: 4,990.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.04 : 12,385.64 = 3,326.07 : x
  2. Step 2: Convert to fraction form
    8,255.04/12,385.64 = 3,326.07/x
  3. Step 3: Cross multiply
    8,255.04x = 12,385.64 × 3,326.07
  4. Step 4: Simplify right side
    8,255.04x = 41,195,519.97
  5. Step 5: Solve for x
    x = 41,195,519.97/8,255.04
  6. Step 6: Final answer
    x = 4,990.35

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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.