Home / 9,317.30-12,855.33-6,481.49

Finding the Fourth Proportional to 9,317.30, 12,855.33 and 6,481.49

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Solution

The fourth proportional to 9,317.30, 12,855.33 and 6,481.49 is: 8,942.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.30 : 12,855.33 = 6,481.49 : x
  2. Step 2: Convert to fraction form
    9,317.30/12,855.33 = 6,481.49/x
  3. Step 3: Cross multiply
    9,317.30x = 12,855.33 × 6,481.49
  4. Step 4: Simplify right side
    9,317.30x = 83,321,724.98
  5. Step 5: Solve for x
    x = 83,321,724.98/9,317.30
  6. Step 6: Final answer
    x = 8,942.69

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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.