Home / 9,221.80-12,726.84-5,244.16

Finding the Fourth Proportional to 9,221.80, 12,726.84 and 5,244.16

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Solution

The fourth proportional to 9,221.80, 12,726.84 and 5,244.16 is: 7,237.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.80 : 12,726.84 = 5,244.16 : x
  2. Step 2: Convert to fraction form
    9,221.80/12,726.84 = 5,244.16/x
  3. Step 3: Cross multiply
    9,221.80x = 12,726.84 × 5,244.16
  4. Step 4: Simplify right side
    9,221.80x = 66,741,585.25
  5. Step 5: Solve for x
    x = 66,741,585.25/9,221.80
  6. Step 6: Final answer
    x = 7,237.37

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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.