Home / 5,217.44-7,822.29-1,929.92

Finding the Fourth Proportional to 5,217.44, 7,822.29 and 1,929.92

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Solution

The fourth proportional to 5,217.44, 7,822.29 and 1,929.92 is: 2,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.44 : 7,822.29 = 1,929.92 : x
  2. Step 2: Convert to fraction form
    5,217.44/7,822.29 = 1,929.92/x
  3. Step 3: Cross multiply
    5,217.44x = 7,822.29 × 1,929.92
  4. Step 4: Simplify right side
    5,217.44x = 15,096,393.92
  5. Step 5: Solve for x
    x = 15,096,393.92/5,217.44
  6. Step 6: Final answer
    x = 2,893.45

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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.