Home / 5,082.05-7,012.29-2,843.95

Finding the Fourth Proportional to 5,082.05, 7,012.29 and 2,843.95

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Solution

The fourth proportional to 5,082.05, 7,012.29 and 2,843.95 is: 3,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.05 : 7,012.29 = 2,843.95 : x
  2. Step 2: Convert to fraction form
    5,082.05/7,012.29 = 2,843.95/x
  3. Step 3: Cross multiply
    5,082.05x = 7,012.29 × 2,843.95
  4. Step 4: Simplify right side
    5,082.05x = 19,942,602.15
  5. Step 5: Solve for x
    x = 19,942,602.15/5,082.05
  6. Step 6: Final answer
    x = 3,924.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.