Home / 6,681.20-9,219.39-3,696.96

Finding the Fourth Proportional to 6,681.20, 9,219.39 and 3,696.96

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Solution

The fourth proportional to 6,681.20, 9,219.39 and 3,696.96 is: 5,101.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,681.20 : 9,219.39 = 3,696.96 : x
  2. Step 2: Convert to fraction form
    6,681.20/9,219.39 = 3,696.96/x
  3. Step 3: Cross multiply
    6,681.20x = 9,219.39 × 3,696.96
  4. Step 4: Simplify right side
    6,681.20x = 34,083,716.05
  5. Step 5: Solve for x
    x = 34,083,716.05/6,681.20
  6. Step 6: Final answer
    x = 5,101.44

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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.