Home / 5,881.35-8,116.29-3,228.78

Finding the Fourth Proportional to 5,881.35, 8,116.29 and 3,228.78

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Solution

The fourth proportional to 5,881.35, 8,116.29 and 3,228.78 is: 4,455.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.35 : 8,116.29 = 3,228.78 : x
  2. Step 2: Convert to fraction form
    5,881.35/8,116.29 = 3,228.78/x
  3. Step 3: Cross multiply
    5,881.35x = 8,116.29 × 3,228.78
  4. Step 4: Simplify right side
    5,881.35x = 26,205,714.83
  5. Step 5: Solve for x
    x = 26,205,714.83/5,881.35
  6. Step 6: Final answer
    x = 4,455.73

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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.