Home / 5,719.72-8,579.76-2,021.44

Finding the Fourth Proportional to 5,719.72, 8,579.76 and 2,021.44

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Solution

The fourth proportional to 5,719.72, 8,579.76 and 2,021.44 is: 3,032.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.72 : 8,579.76 = 2,021.44 : x
  2. Step 2: Convert to fraction form
    5,719.72/8,579.76 = 2,021.44/x
  3. Step 3: Cross multiply
    5,719.72x = 8,579.76 × 2,021.44
  4. Step 4: Simplify right side
    5,719.72x = 17,343,470.05
  5. Step 5: Solve for x
    x = 17,343,470.05/5,719.72
  6. Step 6: Final answer
    x = 3,032.22

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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.