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Finding the Fourth Proportional to 5,281.26, 7,922.01 and 2,956.11

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Solution

The fourth proportional to 5,281.26, 7,922.01 and 2,956.11 is: 4,434.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.26 : 7,922.01 = 2,956.11 : x
  2. Step 2: Convert to fraction form
    5,281.26/7,922.01 = 2,956.11/x
  3. Step 3: Cross multiply
    5,281.26x = 7,922.01 × 2,956.11
  4. Step 4: Simplify right side
    5,281.26x = 23,418,332.98
  5. Step 5: Solve for x
    x = 23,418,332.98/5,281.26
  6. Step 6: Final answer
    x = 4,434.23

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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.