Home / 7,278.68-10,900.09-4,150.96

Finding the Fourth Proportional to 7,278.68, 10,900.09 and 4,150.96

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Solution

The fourth proportional to 7,278.68, 10,900.09 and 4,150.96 is: 6,216.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,278.68 : 10,900.09 = 4,150.96 : x
  2. Step 2: Convert to fraction form
    7,278.68/10,900.09 = 4,150.96/x
  3. Step 3: Cross multiply
    7,278.68x = 10,900.09 × 4,150.96
  4. Step 4: Simplify right side
    7,278.68x = 45,245,876.84
  5. Step 5: Solve for x
    x = 45,245,876.84/7,278.68
  6. Step 6: Final answer
    x = 6,216.22

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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.