Home / 5,137.32-7,708.68-2,799

Finding the Fourth Proportional to 5,137.32, 7,708.68 and 2,799

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Solution

The fourth proportional to 5,137.32, 7,708.68 and 2,799 is: 4,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.32 : 7,708.68 = 2,799 : x
  2. Step 2: Convert to fraction form
    5,137.32/7,708.68 = 2,799/x
  3. Step 3: Cross multiply
    5,137.32x = 7,708.68 × 2,799
  4. Step 4: Simplify right side
    5,137.32x = 21,576,595.32
  5. Step 5: Solve for x
    x = 21,576,595.32/5,137.32
  6. Step 6: Final answer
    x = 4,199.97

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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.