Home / 7,325.88-10,981.14-3,427

Finding the Fourth Proportional to 7,325.88, 10,981.14 and 3,427

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Solution

The fourth proportional to 7,325.88, 10,981.14 and 3,427 is: 5,136.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.88 : 10,981.14 = 3,427 : x
  2. Step 2: Convert to fraction form
    7,325.88/10,981.14 = 3,427/x
  3. Step 3: Cross multiply
    7,325.88x = 10,981.14 × 3,427
  4. Step 4: Simplify right side
    7,325.88x = 37,632,366.78
  5. Step 5: Solve for x
    x = 37,632,366.78/7,325.88
  6. Step 6: Final answer
    x = 5,136.91

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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.