Home / 7,311.26-10,972.56-2,929.16

Finding the Fourth Proportional to 7,311.26, 10,972.56 and 2,929.16

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Solution

The fourth proportional to 7,311.26, 10,972.56 and 2,929.16 is: 4,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.26 : 10,972.56 = 2,929.16 : x
  2. Step 2: Convert to fraction form
    7,311.26/10,972.56 = 2,929.16/x
  3. Step 3: Cross multiply
    7,311.26x = 10,972.56 × 2,929.16
  4. Step 4: Simplify right side
    7,311.26x = 32,140,383.85
  5. Step 5: Solve for x
    x = 32,140,383.85/7,311.26
  6. Step 6: Final answer
    x = 4,396.01

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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.