Home / 4,982.75-6,878.69-3,861.17

Finding the Fourth Proportional to 4,982.75, 6,878.69 and 3,861.17

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Solution

The fourth proportional to 4,982.75, 6,878.69 and 3,861.17 is: 5,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.75 : 6,878.69 = 3,861.17 : x
  2. Step 2: Convert to fraction form
    4,982.75/6,878.69 = 3,861.17/x
  3. Step 3: Cross multiply
    4,982.75x = 6,878.69 × 3,861.17
  4. Step 4: Simplify right side
    4,982.75x = 26,559,778.04
  5. Step 5: Solve for x
    x = 26,559,778.04/4,982.75
  6. Step 6: Final answer
    x = 5,330.35

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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.