Home / 5,876.66-8,108.78-3,886.14

Finding the Fourth Proportional to 5,876.66, 8,108.78 and 3,886.14

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Solution

The fourth proportional to 5,876.66, 8,108.78 and 3,886.14 is: 5,362.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.66 : 8,108.78 = 3,886.14 : x
  2. Step 2: Convert to fraction form
    5,876.66/8,108.78 = 3,886.14/x
  3. Step 3: Cross multiply
    5,876.66x = 8,108.78 × 3,886.14
  4. Step 4: Simplify right side
    5,876.66x = 31,511,854.31
  5. Step 5: Solve for x
    x = 31,511,854.31/5,876.66
  6. Step 6: Final answer
    x = 5,362.20

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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.