Home / 4,729.06-6,520.71-3,981.88

Finding the Fourth Proportional to 4,729.06, 6,520.71 and 3,981.88

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Solution

The fourth proportional to 4,729.06, 6,520.71 and 3,981.88 is: 5,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.06 : 6,520.71 = 3,981.88 : x
  2. Step 2: Convert to fraction form
    4,729.06/6,520.71 = 3,981.88/x
  3. Step 3: Cross multiply
    4,729.06x = 6,520.71 × 3,981.88
  4. Step 4: Simplify right side
    4,729.06x = 25,964,684.73
  5. Step 5: Solve for x
    x = 25,964,684.73/4,729.06
  6. Step 6: Final answer
    x = 5,490.45

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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.