Home / 4,705.75-7,082.23-3,541.78

Finding the Fourth Proportional to 4,705.75, 7,082.23 and 3,541.78

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Solution

The fourth proportional to 4,705.75, 7,082.23 and 3,541.78 is: 5,330.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.75 : 7,082.23 = 3,541.78 : x
  2. Step 2: Convert to fraction form
    4,705.75/7,082.23 = 3,541.78/x
  3. Step 3: Cross multiply
    4,705.75x = 7,082.23 × 3,541.78
  4. Step 4: Simplify right side
    4,705.75x = 25,083,700.57
  5. Step 5: Solve for x
    x = 25,083,700.57/4,705.75
  6. Step 6: Final answer
    x = 5,330.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.