Home / 6,331.14-8,736.39-3,969.18

Finding the Fourth Proportional to 6,331.14, 8,736.39 and 3,969.18

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Solution

The fourth proportional to 6,331.14, 8,736.39 and 3,969.18 is: 5,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331.14 : 8,736.39 = 3,969.18 : x
  2. Step 2: Convert to fraction form
    6,331.14/8,736.39 = 3,969.18/x
  3. Step 3: Cross multiply
    6,331.14x = 8,736.39 × 3,969.18
  4. Step 4: Simplify right side
    6,331.14x = 34,676,304.46
  5. Step 5: Solve for x
    x = 34,676,304.46/6,331.14
  6. Step 6: Final answer
    x = 5,477.10

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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.