Home / 5,144.43-7,717.61-1,684.11

Finding the Fourth Proportional to 5,144.43, 7,717.61 and 1,684.11

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Solution

The fourth proportional to 5,144.43, 7,717.61 and 1,684.11 is: 2,526.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.43 : 7,717.61 = 1,684.11 : x
  2. Step 2: Convert to fraction form
    5,144.43/7,717.61 = 1,684.11/x
  3. Step 3: Cross multiply
    5,144.43x = 7,717.61 × 1,684.11
  4. Step 4: Simplify right side
    5,144.43x = 12,997,295.76
  5. Step 5: Solve for x
    x = 12,997,295.76/5,144.43
  6. Step 6: Final answer
    x = 2,526.48

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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.