Home / 4,942.21-7,414.22-2,345.13

Finding the Fourth Proportional to 4,942.21, 7,414.22 and 2,345.13

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Solution

The fourth proportional to 4,942.21, 7,414.22 and 2,345.13 is: 3,518.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.21 : 7,414.22 = 2,345.13 : x
  2. Step 2: Convert to fraction form
    4,942.21/7,414.22 = 2,345.13/x
  3. Step 3: Cross multiply
    4,942.21x = 7,414.22 × 2,345.13
  4. Step 4: Simplify right side
    4,942.21x = 17,387,309.75
  5. Step 5: Solve for x
    x = 17,387,309.75/4,942.21
  6. Step 6: Final answer
    x = 3,518.12

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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.