Home / 7,074.14-10,612.82-2,143.94

Finding the Fourth Proportional to 7,074.14, 10,612.82 and 2,143.94

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Solution

The fourth proportional to 7,074.14, 10,612.82 and 2,143.94 is: 3,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,074.14 : 10,612.82 = 2,143.94 : x
  2. Step 2: Convert to fraction form
    7,074.14/10,612.82 = 2,143.94/x
  3. Step 3: Cross multiply
    7,074.14x = 10,612.82 × 2,143.94
  4. Step 4: Simplify right side
    7,074.14x = 22,753,201.61
  5. Step 5: Solve for x
    x = 22,753,201.61/7,074.14
  6. Step 6: Final answer
    x = 3,216.39

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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.