Home / 6,921.25-10,381.88-2,304.25

Finding the Fourth Proportional to 6,921.25, 10,381.88 and 2,304.25

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Solution

The fourth proportional to 6,921.25, 10,381.88 and 2,304.25 is: 3,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.25 : 10,381.88 = 2,304.25 : x
  2. Step 2: Convert to fraction form
    6,921.25/10,381.88 = 2,304.25/x
  3. Step 3: Cross multiply
    6,921.25x = 10,381.88 × 2,304.25
  4. Step 4: Simplify right side
    6,921.25x = 23,922,435.47
  5. Step 5: Solve for x
    x = 23,922,435.47/6,921.25
  6. Step 6: Final answer
    x = 3,456.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.