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Finding the Fourth Proportional to 4,808.79, 7,194.22 and 3,642.16

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Solution

The fourth proportional to 4,808.79, 7,194.22 and 3,642.16 is: 5,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.79 : 7,194.22 = 3,642.16 : x
  2. Step 2: Convert to fraction form
    4,808.79/7,194.22 = 3,642.16/x
  3. Step 3: Cross multiply
    4,808.79x = 7,194.22 × 3,642.16
  4. Step 4: Simplify right side
    4,808.79x = 26,202,500.32
  5. Step 5: Solve for x
    x = 26,202,500.32/4,808.79
  6. Step 6: Final answer
    x = 5,448.88

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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.