Home / 5,351.43-7,384.31-2,992.98

Finding the Fourth Proportional to 5,351.43, 7,384.31 and 2,992.98

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Solution

The fourth proportional to 5,351.43, 7,384.31 and 2,992.98 is: 4,129.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.43 : 7,384.31 = 2,992.98 : x
  2. Step 2: Convert to fraction form
    5,351.43/7,384.31 = 2,992.98/x
  3. Step 3: Cross multiply
    5,351.43x = 7,384.31 × 2,992.98
  4. Step 4: Simplify right side
    5,351.43x = 22,101,132.93
  5. Step 5: Solve for x
    x = 22,101,132.93/5,351.43
  6. Step 6: Final answer
    x = 4,129.95

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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.