Home / 7,111.47-10,667.22-2,726.55

Finding the Fourth Proportional to 7,111.47, 10,667.22 and 2,726.55

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Solution

The fourth proportional to 7,111.47, 10,667.22 and 2,726.55 is: 4,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111.47 : 10,667.22 = 2,726.55 : x
  2. Step 2: Convert to fraction form
    7,111.47/10,667.22 = 2,726.55/x
  3. Step 3: Cross multiply
    7,111.47x = 10,667.22 × 2,726.55
  4. Step 4: Simplify right side
    7,111.47x = 29,084,708.69
  5. Step 5: Solve for x
    x = 29,084,708.69/7,111.47
  6. Step 6: Final answer
    x = 4,089.83

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Similar ratio
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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.