Home / 5,856.18-8,081.70-3,203.78

Finding the Fourth Proportional to 5,856.18, 8,081.70 and 3,203.78

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Solution

The fourth proportional to 5,856.18, 8,081.70 and 3,203.78 is: 4,421.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.18 : 8,081.70 = 3,203.78 : x
  2. Step 2: Convert to fraction form
    5,856.18/8,081.70 = 3,203.78/x
  3. Step 3: Cross multiply
    5,856.18x = 8,081.70 × 3,203.78
  4. Step 4: Simplify right side
    5,856.18x = 25,891,988.83
  5. Step 5: Solve for x
    x = 25,891,988.83/5,856.18
  6. Step 6: Final answer
    x = 4,421.31

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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.