Home / 10,739.92-16,108.92-3,719.28

Finding the Fourth Proportional to 10,739.92, 16,108.92 and 3,719.28

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Solution

The fourth proportional to 10,739.92, 16,108.92 and 3,719.28 is: 5,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,739.92 : 16,108.92 = 3,719.28 : x
  2. Step 2: Convert to fraction form
    10,739.92/16,108.92 = 3,719.28/x
  3. Step 3: Cross multiply
    10,739.92x = 16,108.92 × 3,719.28
  4. Step 4: Simplify right side
    10,739.92x = 59,913,583.98
  5. Step 5: Solve for x
    x = 59,913,583.98/10,739.92
  6. Step 6: Final answer
    x = 5,578.59

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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.