Home / 7,772.60-11,645.94-5,459.96

Finding the Fourth Proportional to 7,772.60, 11,645.94 and 5,459.96

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Solution

The fourth proportional to 7,772.60, 11,645.94 and 5,459.96 is: 8,180.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,772.60 : 11,645.94 = 5,459.96 : x
  2. Step 2: Convert to fraction form
    7,772.60/11,645.94 = 5,459.96/x
  3. Step 3: Cross multiply
    7,772.60x = 11,645.94 × 5,459.96
  4. Step 4: Simplify right side
    7,772.60x = 63,586,366.56
  5. Step 5: Solve for x
    x = 63,586,366.56/7,772.60
  6. Step 6: Final answer
    x = 8,180.84

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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.