Home / 5,818.56-8,029.38-3,165.96

Finding the Fourth Proportional to 5,818.56, 8,029.38 and 3,165.96

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Solution

The fourth proportional to 5,818.56, 8,029.38 and 3,165.96 is: 4,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.56 : 8,029.38 = 3,165.96 : x
  2. Step 2: Convert to fraction form
    5,818.56/8,029.38 = 3,165.96/x
  3. Step 3: Cross multiply
    5,818.56x = 8,029.38 × 3,165.96
  4. Step 4: Simplify right side
    5,818.56x = 25,420,695.90
  5. Step 5: Solve for x
    x = 25,420,695.90/5,818.56
  6. Step 6: Final answer
    x = 4,368.90

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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.