Home / 7,726.12-10,661.97-4,189.27

Finding the Fourth Proportional to 7,726.12, 10,661.97 and 4,189.27

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Solution

The fourth proportional to 7,726.12, 10,661.97 and 4,189.27 is: 5,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,726.12 : 10,661.97 = 4,189.27 : x
  2. Step 2: Convert to fraction form
    7,726.12/10,661.97 = 4,189.27/x
  3. Step 3: Cross multiply
    7,726.12x = 10,661.97 × 4,189.27
  4. Step 4: Simplify right side
    7,726.12x = 44,665,871.06
  5. Step 5: Solve for x
    x = 44,665,871.06/7,726.12
  6. Step 6: Final answer
    x = 5,781.15

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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.