Home / 6,680.12-9,218.81-4,322.26

Finding the Fourth Proportional to 6,680.12, 9,218.81 and 4,322.26

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Solution

The fourth proportional to 6,680.12, 9,218.81 and 4,322.26 is: 5,964.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.12 : 9,218.81 = 4,322.26 : x
  2. Step 2: Convert to fraction form
    6,680.12/9,218.81 = 4,322.26/x
  3. Step 3: Cross multiply
    6,680.12x = 9,218.81 × 4,322.26
  4. Step 4: Simplify right side
    6,680.12x = 39,846,116.04
  5. Step 5: Solve for x
    x = 39,846,116.04/6,680.12
  6. Step 6: Final answer
    x = 5,964.88

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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.