Home / 5,719.66-8,579.49-2,019.86

Finding the Fourth Proportional to 5,719.66, 8,579.49 and 2,019.86

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Solution

The fourth proportional to 5,719.66, 8,579.49 and 2,019.86 is: 3,029.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.66 : 8,579.49 = 2,019.86 : x
  2. Step 2: Convert to fraction form
    5,719.66/8,579.49 = 2,019.86/x
  3. Step 3: Cross multiply
    5,719.66x = 8,579.49 × 2,019.86
  4. Step 4: Simplify right side
    5,719.66x = 17,329,368.67
  5. Step 5: Solve for x
    x = 17,329,368.67/5,719.66
  6. Step 6: Final answer
    x = 3,029.79

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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.