Home / 8,910.97-12,297.39-4,932.45

Finding the Fourth Proportional to 8,910.97, 12,297.39 and 4,932.45

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Solution

The fourth proportional to 8,910.97, 12,297.39 and 4,932.45 is: 6,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.97 : 12,297.39 = 4,932.45 : x
  2. Step 2: Convert to fraction form
    8,910.97/12,297.39 = 4,932.45/x
  3. Step 3: Cross multiply
    8,910.97x = 12,297.39 × 4,932.45
  4. Step 4: Simplify right side
    8,910.97x = 60,656,261.31
  5. Step 5: Solve for x
    x = 60,656,261.31/8,910.97
  6. Step 6: Final answer
    x = 6,806.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.