Home / 7,769.57-11,656.62-3,612.06

Finding the Fourth Proportional to 7,769.57, 11,656.62 and 3,612.06

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Solution

The fourth proportional to 7,769.57, 11,656.62 and 3,612.06 is: 5,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.57 : 11,656.62 = 3,612.06 : x
  2. Step 2: Convert to fraction form
    7,769.57/11,656.62 = 3,612.06/x
  3. Step 3: Cross multiply
    7,769.57x = 11,656.62 × 3,612.06
  4. Step 4: Simplify right side
    7,769.57x = 42,104,410.84
  5. Step 5: Solve for x
    x = 42,104,410.84/7,769.57
  6. Step 6: Final answer
    x = 5,419.15

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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.