Home / 7,388.55-11,086.96-3,925.71

Finding the Fourth Proportional to 7,388.55, 11,086.96 and 3,925.71

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Solution

The fourth proportional to 7,388.55, 11,086.96 and 3,925.71 is: 5,890.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.55 : 11,086.96 = 3,925.71 : x
  2. Step 2: Convert to fraction form
    7,388.55/11,086.96 = 3,925.71/x
  3. Step 3: Cross multiply
    7,388.55x = 11,086.96 × 3,925.71
  4. Step 4: Simplify right side
    7,388.55x = 43,524,189.74
  5. Step 5: Solve for x
    x = 43,524,189.74/7,388.55
  6. Step 6: Final answer
    x = 5,890.76

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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.