Home / 9,218.80-12,722.70-5,241.16

Finding the Fourth Proportional to 9,218.80, 12,722.70 and 5,241.16

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Solution

The fourth proportional to 9,218.80, 12,722.70 and 5,241.16 is: 7,233.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.80 : 12,722.70 = 5,241.16 : x
  2. Step 2: Convert to fraction form
    9,218.80/12,722.70 = 5,241.16/x
  3. Step 3: Cross multiply
    9,218.80x = 12,722.70 × 5,241.16
  4. Step 4: Simplify right side
    9,218.80x = 66,681,706.33
  5. Step 5: Solve for x
    x = 66,681,706.33/9,218.80
  6. Step 6: Final answer
    x = 7,233.23

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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.