Home / 7,439.29-10,266.33-4,082.05

Finding the Fourth Proportional to 7,439.29, 10,266.33 and 4,082.05

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Solution

The fourth proportional to 7,439.29, 10,266.33 and 4,082.05 is: 5,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.29 : 10,266.33 = 4,082.05 : x
  2. Step 2: Convert to fraction form
    7,439.29/10,266.33 = 4,082.05/x
  3. Step 3: Cross multiply
    7,439.29x = 10,266.33 × 4,082.05
  4. Step 4: Simplify right side
    7,439.29x = 41,907,672.38
  5. Step 5: Solve for x
    x = 41,907,672.38/7,439.29
  6. Step 6: Final answer
    x = 5,633.29

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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.