Home / 6,458.61-8,911.42-3,806.26

Finding the Fourth Proportional to 6,458.61, 8,911.42 and 3,806.26

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Solution

The fourth proportional to 6,458.61, 8,911.42 and 3,806.26 is: 5,251.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.61 : 8,911.42 = 3,806.26 : x
  2. Step 2: Convert to fraction form
    6,458.61/8,911.42 = 3,806.26/x
  3. Step 3: Cross multiply
    6,458.61x = 8,911.42 × 3,806.26
  4. Step 4: Simplify right side
    6,458.61x = 33,919,181.49
  5. Step 5: Solve for x
    x = 33,919,181.49/6,458.61
  6. Step 6: Final answer
    x = 5,251.78

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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.