Home / 6,822.68-9,415.31-3,838.50

Finding the Fourth Proportional to 6,822.68, 9,415.31 and 3,838.50

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Solution

The fourth proportional to 6,822.68, 9,415.31 and 3,838.50 is: 5,297.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.68 : 9,415.31 = 3,838.50 : x
  2. Step 2: Convert to fraction form
    6,822.68/9,415.31 = 3,838.50/x
  3. Step 3: Cross multiply
    6,822.68x = 9,415.31 × 3,838.50
  4. Step 4: Simplify right side
    6,822.68x = 36,140,648.24
  5. Step 5: Solve for x
    x = 36,140,648.24/6,822.68
  6. Step 6: Final answer
    x = 5,297.14

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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.