Home / 6,139.24-8,473.16-3,621.96

Finding the Fourth Proportional to 6,139.24, 8,473.16 and 3,621.96

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Solution

The fourth proportional to 6,139.24, 8,473.16 and 3,621.96 is: 4,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,139.24 : 8,473.16 = 3,621.96 : x
  2. Step 2: Convert to fraction form
    6,139.24/8,473.16 = 3,621.96/x
  3. Step 3: Cross multiply
    6,139.24x = 8,473.16 × 3,621.96
  4. Step 4: Simplify right side
    6,139.24x = 30,689,491.95
  5. Step 5: Solve for x
    x = 30,689,491.95/6,139.24
  6. Step 6: Final answer
    x = 4,998.91

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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.