Home / 5,818.40-8,029.41-3,165.82

Finding the Fourth Proportional to 5,818.40, 8,029.41 and 3,165.82

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Solution

The fourth proportional to 5,818.40, 8,029.41 and 3,165.82 is: 4,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,818.40 : 8,029.41 = 3,165.82 : x
  2. Step 2: Convert to fraction form
    5,818.40/8,029.41 = 3,165.82/x
  3. Step 3: Cross multiply
    5,818.40x = 8,029.41 × 3,165.82
  4. Step 4: Simplify right side
    5,818.40x = 25,419,652.63
  5. Step 5: Solve for x
    x = 25,419,652.63/5,818.40
  6. Step 6: Final answer
    x = 4,368.84

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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.