Home / 5,082.29-7,013.34-2,813.72

Finding the Fourth Proportional to 5,082.29, 7,013.34 and 2,813.72

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Solution

The fourth proportional to 5,082.29, 7,013.34 and 2,813.72 is: 3,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,082.29 : 7,013.34 = 2,813.72 : x
  2. Step 2: Convert to fraction form
    5,082.29/7,013.34 = 2,813.72/x
  3. Step 3: Cross multiply
    5,082.29x = 7,013.34 × 2,813.72
  4. Step 4: Simplify right side
    5,082.29x = 19,733,555.71
  5. Step 5: Solve for x
    x = 19,733,555.71/5,082.29
  6. Step 6: Final answer
    x = 3,882.81

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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.