Home / 5,424.47-8,139.54-2,958.83

Finding the Fourth Proportional to 5,424.47, 8,139.54 and 2,958.83

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Solution

The fourth proportional to 5,424.47, 8,139.54 and 2,958.83 is: 4,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.47 : 8,139.54 = 2,958.83 : x
  2. Step 2: Convert to fraction form
    5,424.47/8,139.54 = 2,958.83/x
  3. Step 3: Cross multiply
    5,424.47x = 8,139.54 × 2,958.83
  4. Step 4: Simplify right side
    5,424.47x = 24,083,474.44
  5. Step 5: Solve for x
    x = 24,083,474.44/5,424.47
  6. Step 6: Final answer
    x = 4,439.79

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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.