Home / 4,942.18-7,415.79-2,168.13

Finding the Fourth Proportional to 4,942.18, 7,415.79 and 2,168.13

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Solution

The fourth proportional to 4,942.18, 7,415.79 and 2,168.13 is: 3,253.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.18 : 7,415.79 = 2,168.13 : x
  2. Step 2: Convert to fraction form
    4,942.18/7,415.79 = 2,168.13/x
  3. Step 3: Cross multiply
    4,942.18x = 7,415.79 × 2,168.13
  4. Step 4: Simplify right side
    4,942.18x = 16,078,416.45
  5. Step 5: Solve for x
    x = 16,078,416.45/4,942.18
  6. Step 6: Final answer
    x = 3,253.30

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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.