Home / 7,923.22-11,877.78-3,760.66

Finding the Fourth Proportional to 7,923.22, 11,877.78 and 3,760.66

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Solution

The fourth proportional to 7,923.22, 11,877.78 and 3,760.66 is: 5,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.22 : 11,877.78 = 3,760.66 : x
  2. Step 2: Convert to fraction form
    7,923.22/11,877.78 = 3,760.66/x
  3. Step 3: Cross multiply
    7,923.22x = 11,877.78 × 3,760.66
  4. Step 4: Simplify right side
    7,923.22x = 44,668,292.13
  5. Step 5: Solve for x
    x = 44,668,292.13/7,923.22
  6. Step 6: Final answer
    x = 5,637.64

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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.