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Finding the Fourth Proportional to 4,859.42, 7,282.24 and 3,758.63

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Solution

The fourth proportional to 4,859.42, 7,282.24 and 3,758.63 is: 5,632.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.42 : 7,282.24 = 3,758.63 : x
  2. Step 2: Convert to fraction form
    4,859.42/7,282.24 = 3,758.63/x
  3. Step 3: Cross multiply
    4,859.42x = 7,282.24 × 3,758.63
  4. Step 4: Simplify right side
    4,859.42x = 27,371,199.92
  5. Step 5: Solve for x
    x = 27,371,199.92/4,859.42
  6. Step 6: Final answer
    x = 5,632.61

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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.