Home / 7,439.34-10,266.12-4,082.16

Finding the Fourth Proportional to 7,439.34, 10,266.12 and 4,082.16

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Solution

The fourth proportional to 7,439.34, 10,266.12 and 4,082.16 is: 5,633.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.34 : 10,266.12 = 4,082.16 : x
  2. Step 2: Convert to fraction form
    7,439.34/10,266.12 = 4,082.16/x
  3. Step 3: Cross multiply
    7,439.34x = 10,266.12 × 4,082.16
  4. Step 4: Simplify right side
    7,439.34x = 41,907,944.42
  5. Step 5: Solve for x
    x = 41,907,944.42/7,439.34
  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.