Home / 8,557.75-12,837.66-3,291.54

Finding the Fourth Proportional to 8,557.75, 12,837.66 and 3,291.54

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Solution

The fourth proportional to 8,557.75, 12,837.66 and 3,291.54 is: 4,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.75 : 12,837.66 = 3,291.54 : x
  2. Step 2: Convert to fraction form
    8,557.75/12,837.66 = 3,291.54/x
  3. Step 3: Cross multiply
    8,557.75x = 12,837.66 × 3,291.54
  4. Step 4: Simplify right side
    8,557.75x = 42,255,610.91
  5. Step 5: Solve for x
    x = 42,255,610.91/8,557.75
  6. Step 6: Final answer
    x = 4,937.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.