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Finding the Fourth Proportional to 4,754.73, 6,560.42 and 2,865.81

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Solution

The fourth proportional to 4,754.73, 6,560.42 and 2,865.81 is: 3,954.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.73 : 6,560.42 = 2,865.81 : x
  2. Step 2: Convert to fraction form
    4,754.73/6,560.42 = 2,865.81/x
  3. Step 3: Cross multiply
    4,754.73x = 6,560.42 × 2,865.81
  4. Step 4: Simplify right side
    4,754.73x = 18,800,902.91
  5. Step 5: Solve for x
    x = 18,800,902.91/4,754.73
  6. Step 6: Final answer
    x = 3,954.15

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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.