Home / 5,239.45-7,860.69-2,773.96

Finding the Fourth Proportional to 5,239.45, 7,860.69 and 2,773.96

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Solution

The fourth proportional to 5,239.45, 7,860.69 and 2,773.96 is: 4,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.45 : 7,860.69 = 2,773.96 : x
  2. Step 2: Convert to fraction form
    5,239.45/7,860.69 = 2,773.96/x
  3. Step 3: Cross multiply
    5,239.45x = 7,860.69 × 2,773.96
  4. Step 4: Simplify right side
    5,239.45x = 21,805,239.63
  5. Step 5: Solve for x
    x = 21,805,239.63/5,239.45
  6. Step 6: Final answer
    x = 4,161.74

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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.