Home / 6,822.96-9,415.56-3,839.04

Finding the Fourth Proportional to 6,822.96, 9,415.56 and 3,839.04

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Solution

The fourth proportional to 6,822.96, 9,415.56 and 3,839.04 is: 5,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.96 : 9,415.56 = 3,839.04 : x
  2. Step 2: Convert to fraction form
    6,822.96/9,415.56 = 3,839.04/x
  3. Step 3: Cross multiply
    6,822.96x = 9,415.56 × 3,839.04
  4. Step 4: Simplify right side
    6,822.96x = 36,146,711.46
  5. Step 5: Solve for x
    x = 36,146,711.46/6,822.96
  6. Step 6: Final answer
    x = 5,297.80

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1.5x scale

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.