Home / 4,990.14-6,893.91-4,251.69

Finding the Fourth Proportional to 4,990.14, 6,893.91 and 4,251.69

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Solution

The fourth proportional to 4,990.14, 6,893.91 and 4,251.69 is: 5,873.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.14 : 6,893.91 = 4,251.69 : x
  2. Step 2: Convert to fraction form
    4,990.14/6,893.91 = 4,251.69/x
  3. Step 3: Cross multiply
    4,990.14x = 6,893.91 × 4,251.69
  4. Step 4: Simplify right side
    4,990.14x = 29,310,768.21
  5. Step 5: Solve for x
    x = 29,310,768.21/4,990.14
  6. Step 6: Final answer
    x = 5,873.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.