Home / 7,159.68-10,734.96-4,238.88

Finding the Fourth Proportional to 7,159.68, 10,734.96 and 4,238.88

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Solution

The fourth proportional to 7,159.68, 10,734.96 and 4,238.88 is: 6,355.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.68 : 10,734.96 = 4,238.88 : x
  2. Step 2: Convert to fraction form
    7,159.68/10,734.96 = 4,238.88/x
  3. Step 3: Cross multiply
    7,159.68x = 10,734.96 × 4,238.88
  4. Step 4: Simplify right side
    7,159.68x = 45,504,207.24
  5. Step 5: Solve for x
    x = 45,504,207.24/7,159.68
  6. Step 6: Final answer
    x = 6,355.62

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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.