Home / 5,719.76-8,579.64-2,019.98

Finding the Fourth Proportional to 5,719.76, 8,579.64 and 2,019.98

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Solution

The fourth proportional to 5,719.76, 8,579.64 and 2,019.98 is: 3,029.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.76 : 8,579.64 = 2,019.98 : x
  2. Step 2: Convert to fraction form
    5,719.76/8,579.64 = 2,019.98/x
  3. Step 3: Cross multiply
    5,719.76x = 8,579.64 × 2,019.98
  4. Step 4: Simplify right side
    5,719.76x = 17,330,701.21
  5. Step 5: Solve for x
    x = 17,330,701.21/5,719.76
  6. Step 6: Final answer
    x = 3,029.97

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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.