Home / 7,082.14-10,626.10-3,131.30

Finding the Fourth Proportional to 7,082.14, 10,626.10 and 3,131.30

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Solution

The fourth proportional to 7,082.14, 10,626.10 and 3,131.30 is: 4,698.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082.14 : 10,626.10 = 3,131.30 : x
  2. Step 2: Convert to fraction form
    7,082.14/10,626.10 = 3,131.30/x
  3. Step 3: Cross multiply
    7,082.14x = 10,626.10 × 3,131.30
  4. Step 4: Simplify right side
    7,082.14x = 33,273,506.93
  5. Step 5: Solve for x
    x = 33,273,506.93/7,082.14
  6. Step 6: Final answer
    x = 4,698.23

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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.