Home / 6,287.82-8,677.15-3,455.22

Finding the Fourth Proportional to 6,287.82, 8,677.15 and 3,455.22

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Solution

The fourth proportional to 6,287.82, 8,677.15 and 3,455.22 is: 4,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.82 : 8,677.15 = 3,455.22 : x
  2. Step 2: Convert to fraction form
    6,287.82/8,677.15 = 3,455.22/x
  3. Step 3: Cross multiply
    6,287.82x = 8,677.15 × 3,455.22
  4. Step 4: Simplify right side
    6,287.82x = 29,981,453.58
  5. Step 5: Solve for x
    x = 29,981,453.58/6,287.82
  6. Step 6: Final answer
    x = 4,768.18

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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.