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Finding the Fourth Proportional to 4,459.44, 6,685.08 and 2,811.12

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Solution

The fourth proportional to 4,459.44, 6,685.08 and 2,811.12 is: 4,214.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.44 : 6,685.08 = 2,811.12 : x
  2. Step 2: Convert to fraction form
    4,459.44/6,685.08 = 2,811.12/x
  3. Step 3: Cross multiply
    4,459.44x = 6,685.08 × 2,811.12
  4. Step 4: Simplify right side
    4,459.44x = 18,792,562.09
  5. Step 5: Solve for x
    x = 18,792,562.09/4,459.44
  6. Step 6: Final answer
    x = 4,214.11

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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.