Home / 5,719.80-8,579.70-2,026.20

Finding the Fourth Proportional to 5,719.80, 8,579.70 and 2,026.20

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Solution

The fourth proportional to 5,719.80, 8,579.70 and 2,026.20 is: 3,039.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.80 : 8,579.70 = 2,026.20 : x
  2. Step 2: Convert to fraction form
    5,719.80/8,579.70 = 2,026.20/x
  3. Step 3: Cross multiply
    5,719.80x = 8,579.70 × 2,026.20
  4. Step 4: Simplify right side
    5,719.80x = 17,384,188.14
  5. Step 5: Solve for x
    x = 17,384,188.14/5,719.80
  6. Step 6: Final answer
    x = 3,039.30

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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.