Home / 7,439.26-10,266.46-4,082.21

Finding the Fourth Proportional to 7,439.26, 10,266.46 and 4,082.21

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Solution

The fourth proportional to 7,439.26, 10,266.46 and 4,082.21 is: 5,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.26 : 10,266.46 = 4,082.21 : x
  2. Step 2: Convert to fraction form
    7,439.26/10,266.46 = 4,082.21/x
  3. Step 3: Cross multiply
    7,439.26x = 10,266.46 × 4,082.21
  4. Step 4: Simplify right side
    7,439.26x = 41,909,845.68
  5. Step 5: Solve for x
    x = 41,909,845.68/7,439.26
  6. Step 6: Final answer
    x = 5,633.60

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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.