Home / 8,927.12-13,396.82-3,083.74

Finding the Fourth Proportional to 8,927.12, 13,396.82 and 3,083.74

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Solution

The fourth proportional to 8,927.12, 13,396.82 and 3,083.74 is: 4,627.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.12 : 13,396.82 = 3,083.74 : x
  2. Step 2: Convert to fraction form
    8,927.12/13,396.82 = 3,083.74/x
  3. Step 3: Cross multiply
    8,927.12x = 13,396.82 × 3,083.74
  4. Step 4: Simplify right side
    8,927.12x = 41,312,309.71
  5. Step 5: Solve for x
    x = 41,312,309.71/8,927.12
  6. Step 6: Final answer
    x = 4,627.73

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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.