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Finding the Fourth Proportional to 4,983.62, 6,878.03 and 2,859.50

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Solution

The fourth proportional to 4,983.62, 6,878.03 and 2,859.50 is: 3,946.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,983.62 : 6,878.03 = 2,859.50 : x
  2. Step 2: Convert to fraction form
    4,983.62/6,878.03 = 2,859.50/x
  3. Step 3: Cross multiply
    4,983.62x = 6,878.03 × 2,859.50
  4. Step 4: Simplify right side
    4,983.62x = 19,667,729.68
  5. Step 5: Solve for x
    x = 19,667,729.68/4,983.62
  6. Step 6: Final answer
    x = 3,946.48

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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.