Home / 5,714.29-7,885.97-3,196.39

Finding the Fourth Proportional to 5,714.29, 7,885.97 and 3,196.39

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Solution

The fourth proportional to 5,714.29, 7,885.97 and 3,196.39 is: 4,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,714.29 : 7,885.97 = 3,196.39 : x
  2. Step 2: Convert to fraction form
    5,714.29/7,885.97 = 3,196.39/x
  3. Step 3: Cross multiply
    5,714.29x = 7,885.97 × 3,196.39
  4. Step 4: Simplify right side
    5,714.29x = 25,206,599.95
  5. Step 5: Solve for x
    x = 25,206,599.95/5,714.29
  6. Step 6: Final answer
    x = 4,411.15

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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.