Home / 6,363.39-8,781.18-3,530.73

Finding the Fourth Proportional to 6,363.39, 8,781.18 and 3,530.73

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Solution

The fourth proportional to 6,363.39, 8,781.18 and 3,530.73 is: 4,872.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363.39 : 8,781.18 = 3,530.73 : x
  2. Step 2: Convert to fraction form
    6,363.39/8,781.18 = 3,530.73/x
  3. Step 3: Cross multiply
    6,363.39x = 8,781.18 × 3,530.73
  4. Step 4: Simplify right side
    6,363.39x = 31,003,980.58
  5. Step 5: Solve for x
    x = 31,003,980.58/6,363.39
  6. Step 6: Final answer
    x = 4,872.24

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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.