Home / 5,721.36-8,573.13-2,756.61

Finding the Fourth Proportional to 5,721.36, 8,573.13 and 2,756.61

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Solution

The fourth proportional to 5,721.36, 8,573.13 and 2,756.61 is: 4,130.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.36 : 8,573.13 = 2,756.61 : x
  2. Step 2: Convert to fraction form
    5,721.36/8,573.13 = 2,756.61/x
  3. Step 3: Cross multiply
    5,721.36x = 8,573.13 × 2,756.61
  4. Step 4: Simplify right side
    5,721.36x = 23,632,775.89
  5. Step 5: Solve for x
    x = 23,632,775.89/5,721.36
  6. Step 6: Final answer
    x = 4,130.62

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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.