Home / 5,816.91-8,719.70-2,305.77

Finding the Fourth Proportional to 5,816.91, 8,719.70 and 2,305.77

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Solution

The fourth proportional to 5,816.91, 8,719.70 and 2,305.77 is: 3,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,816.91 : 8,719.70 = 2,305.77 : x
  2. Step 2: Convert to fraction form
    5,816.91/8,719.70 = 2,305.77/x
  3. Step 3: Cross multiply
    5,816.91x = 8,719.70 × 2,305.77
  4. Step 4: Simplify right side
    5,816.91x = 20,105,591.41
  5. Step 5: Solve for x
    x = 20,105,591.41/5,816.91
  6. Step 6: Final answer
    x = 3,456.40

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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.