Home / 7,926.36-11,889.65-3,766.79

Finding the Fourth Proportional to 7,926.36, 11,889.65 and 3,766.79

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Solution

The fourth proportional to 7,926.36, 11,889.65 and 3,766.79 is: 5,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,926.36 : 11,889.65 = 3,766.79 : x
  2. Step 2: Convert to fraction form
    7,926.36/11,889.65 = 3,766.79/x
  3. Step 3: Cross multiply
    7,926.36x = 11,889.65 × 3,766.79
  4. Step 4: Simplify right side
    7,926.36x = 44,785,853.86
  5. Step 5: Solve for x
    x = 44,785,853.86/7,926.36
  6. Step 6: Final answer
    x = 5,650.24

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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.