Home / 7,077.46-10,618.94-2,147.14

Finding the Fourth Proportional to 7,077.46, 10,618.94 and 2,147.14

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Solution

The fourth proportional to 7,077.46, 10,618.94 and 2,147.14 is: 3,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,077.46 : 10,618.94 = 2,147.14 : x
  2. Step 2: Convert to fraction form
    7,077.46/10,618.94 = 2,147.14/x
  3. Step 3: Cross multiply
    7,077.46x = 10,618.94 × 2,147.14
  4. Step 4: Simplify right side
    7,077.46x = 22,800,350.83
  5. Step 5: Solve for x
    x = 22,800,350.83/7,077.46
  6. Step 6: Final answer
    x = 3,221.54

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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.