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Finding the Fourth Proportional to 4,885.16, 6,744.02 and 3,821.04

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Solution

The fourth proportional to 4,885.16, 6,744.02 and 3,821.04 is: 5,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.16 : 6,744.02 = 3,821.04 : x
  2. Step 2: Convert to fraction form
    4,885.16/6,744.02 = 3,821.04/x
  3. Step 3: Cross multiply
    4,885.16x = 6,744.02 × 3,821.04
  4. Step 4: Simplify right side
    4,885.16x = 25,769,151.08
  5. Step 5: Solve for x
    x = 25,769,151.08/4,885.16
  6. Step 6: Final answer
    x = 5,274.99

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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.