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Finding the Fourth Proportional to 4,981.44, 7,471.71 and 2,205.57

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Solution

The fourth proportional to 4,981.44, 7,471.71 and 2,205.57 is: 3,308.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,981.44 : 7,471.71 = 2,205.57 : x
  2. Step 2: Convert to fraction form
    4,981.44/7,471.71 = 2,205.57/x
  3. Step 3: Cross multiply
    4,981.44x = 7,471.71 × 2,205.57
  4. Step 4: Simplify right side
    4,981.44x = 16,479,379.42
  5. Step 5: Solve for x
    x = 16,479,379.42/4,981.44
  6. Step 6: Final answer
    x = 3,308.16

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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.