Home / 8,220.85-12,332.51-3,026.33

Finding the Fourth Proportional to 8,220.85, 12,332.51 and 3,026.33

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Solution

The fourth proportional to 8,220.85, 12,332.51 and 3,026.33 is: 4,539.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.85 : 12,332.51 = 3,026.33 : x
  2. Step 2: Convert to fraction form
    8,220.85/12,332.51 = 3,026.33/x
  3. Step 3: Cross multiply
    8,220.85x = 12,332.51 × 3,026.33
  4. Step 4: Simplify right side
    8,220.85x = 37,322,229.86
  5. Step 5: Solve for x
    x = 37,322,229.86/8,220.85
  6. Step 6: Final answer
    x = 4,539.95

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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.