Home / 7,082.56-10,622.67-2,151.37

Finding the Fourth Proportional to 7,082.56, 10,622.67 and 2,151.37

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Solution

The fourth proportional to 7,082.56, 10,622.67 and 2,151.37 is: 3,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.56 : 10,622.67 = 2,151.37 : x
  2. Step 2: Convert to fraction form
    7,082.56/10,622.67 = 2,151.37/x
  3. Step 3: Cross multiply
    7,082.56x = 10,622.67 × 2,151.37
  4. Step 4: Simplify right side
    7,082.56x = 22,853,293.56
  5. Step 5: Solve for x
    x = 22,853,293.56/7,082.56
  6. Step 6: Final answer
    x = 3,226.70

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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.