Home / 6,446.80-8,897.75-3,794.05

Finding the Fourth Proportional to 6,446.80, 8,897.75 and 3,794.05

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Solution

The fourth proportional to 6,446.80, 8,897.75 and 3,794.05 is: 5,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,446.80 : 8,897.75 = 3,794.05 : x
  2. Step 2: Convert to fraction form
    6,446.80/8,897.75 = 3,794.05/x
  3. Step 3: Cross multiply
    6,446.80x = 8,897.75 × 3,794.05
  4. Step 4: Simplify right side
    6,446.80x = 33,758,508.39
  5. Step 5: Solve for x
    x = 33,758,508.39/6,446.80
  6. Step 6: Final answer
    x = 5,236.48

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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.