Home / 5,143.26-7,715.96-2,065.26

Finding the Fourth Proportional to 5,143.26, 7,715.96 and 2,065.26

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Solution

The fourth proportional to 5,143.26, 7,715.96 and 2,065.26 is: 3,098.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.26 : 7,715.96 = 2,065.26 : x
  2. Step 2: Convert to fraction form
    5,143.26/7,715.96 = 2,065.26/x
  3. Step 3: Cross multiply
    5,143.26x = 7,715.96 × 2,065.26
  4. Step 4: Simplify right side
    5,143.26x = 15,935,463.55
  5. Step 5: Solve for x
    x = 15,935,463.55/5,143.26
  6. Step 6: Final answer
    x = 3,098.32

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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.