Home / 7,681.86-11,522.94-3,299.35

Finding the Fourth Proportional to 7,681.86, 11,522.94 and 3,299.35

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Solution

The fourth proportional to 7,681.86, 11,522.94 and 3,299.35 is: 4,949.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681.86 : 11,522.94 = 3,299.35 : x
  2. Step 2: Convert to fraction form
    7,681.86/11,522.94 = 3,299.35/x
  3. Step 3: Cross multiply
    7,681.86x = 11,522.94 × 3,299.35
  4. Step 4: Simplify right side
    7,681.86x = 38,018,212.09
  5. Step 5: Solve for x
    x = 38,018,212.09/7,681.86
  6. Step 6: Final answer
    x = 4,949.09

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Similar ratio
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1.5x scale

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.