Home / 7,189.43-10,788.26-3,902.79

Finding the Fourth Proportional to 7,189.43, 10,788.26 and 3,902.79

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Solution

The fourth proportional to 7,189.43, 10,788.26 and 3,902.79 is: 5,856.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.43 : 10,788.26 = 3,902.79 : x
  2. Step 2: Convert to fraction form
    7,189.43/10,788.26 = 3,902.79/x
  3. Step 3: Cross multiply
    7,189.43x = 10,788.26 × 3,902.79
  4. Step 4: Simplify right side
    7,189.43x = 42,104,334.19
  5. Step 5: Solve for x
    x = 42,104,334.19/7,189.43
  6. Step 6: Final answer
    x = 5,856.43

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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.