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Finding the Fourth Proportional to 7,958.56, 10,981.59 and 4,600.73

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Solution

The fourth proportional to 7,958.56, 10,981.59 and 4,600.73 is: 6,348.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.56 : 10,981.59 = 4,600.73 : x
  2. Step 2: Convert to fraction form
    7,958.56/10,981.59 = 4,600.73/x
  3. Step 3: Cross multiply
    7,958.56x = 10,981.59 × 4,600.73
  4. Step 4: Simplify right side
    7,958.56x = 50,523,275.65
  5. Step 5: Solve for x
    x = 50,523,275.65/7,958.56
  6. Step 6: Final answer
    x = 6,348.29

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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.