Home / 5,815.86-8,027.70-3,719.97

Finding the Fourth Proportional to 5,815.86, 8,027.70 and 3,719.97

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Solution

The fourth proportional to 5,815.86, 8,027.70 and 3,719.97 is: 5,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.86 : 8,027.70 = 3,719.97 : x
  2. Step 2: Convert to fraction form
    5,815.86/8,027.70 = 3,719.97/x
  3. Step 3: Cross multiply
    5,815.86x = 8,027.70 × 3,719.97
  4. Step 4: Simplify right side
    5,815.86x = 29,862,803.17
  5. Step 5: Solve for x
    x = 29,862,803.17/5,815.86
  6. Step 6: Final answer
    x = 5,134.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.