Home / 4,972.29-6,861.78-2,982.84

Finding the Fourth Proportional to 4,972.29, 6,861.78 and 2,982.84

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Solution

The fourth proportional to 4,972.29, 6,861.78 and 2,982.84 is: 4,116.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.29 : 6,861.78 = 2,982.84 : x
  2. Step 2: Convert to fraction form
    4,972.29/6,861.78 = 2,982.84/x
  3. Step 3: Cross multiply
    4,972.29x = 6,861.78 × 2,982.84
  4. Step 4: Simplify right side
    4,972.29x = 20,467,591.86
  5. Step 5: Solve for x
    x = 20,467,591.86/4,972.29
  6. Step 6: Final answer
    x = 4,116.33

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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.