Home / 7,950.48-11,926.53-3,789.78

Finding the Fourth Proportional to 7,950.48, 11,926.53 and 3,789.78

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Solution

The fourth proportional to 7,950.48, 11,926.53 and 3,789.78 is: 5,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.48 : 11,926.53 = 3,789.78 : x
  2. Step 2: Convert to fraction form
    7,950.48/11,926.53 = 3,789.78/x
  3. Step 3: Cross multiply
    7,950.48x = 11,926.53 × 3,789.78
  4. Step 4: Simplify right side
    7,950.48x = 45,198,924.86
  5. Step 5: Solve for x
    x = 45,198,924.86/7,950.48
  6. Step 6: Final answer
    x = 5,685.06

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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.