Home / 5,269.12-7,908.44-2,806

Finding the Fourth Proportional to 5,269.12, 7,908.44 and 2,806

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Solution

The fourth proportional to 5,269.12, 7,908.44 and 2,806 is: 4,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.12 : 7,908.44 = 2,806 : x
  2. Step 2: Convert to fraction form
    5,269.12/7,908.44 = 2,806/x
  3. Step 3: Cross multiply
    5,269.12x = 7,908.44 × 2,806
  4. Step 4: Simplify right side
    5,269.12x = 22,191,082.64
  5. Step 5: Solve for x
    x = 22,191,082.64/5,269.12
  6. Step 6: Final answer
    x = 4,211.53

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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.