Home / 7,242.45-10,865.13-3,082.44

Finding the Fourth Proportional to 7,242.45, 10,865.13 and 3,082.44

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Solution

The fourth proportional to 7,242.45, 10,865.13 and 3,082.44 is: 4,624.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242.45 : 10,865.13 = 3,082.44 : x
  2. Step 2: Convert to fraction form
    7,242.45/10,865.13 = 3,082.44/x
  3. Step 3: Cross multiply
    7,242.45x = 10,865.13 × 3,082.44
  4. Step 4: Simplify right side
    7,242.45x = 33,491,111.32
  5. Step 5: Solve for x
    x = 33,491,111.32/7,242.45
  6. Step 6: Final answer
    x = 4,624.28

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1.5x scale

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.