Home / 7,769.70-11,659.29-3,088.86

Finding the Fourth Proportional to 7,769.70, 11,659.29 and 3,088.86

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Solution

The fourth proportional to 7,769.70, 11,659.29 and 3,088.86 is: 4,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.70 : 11,659.29 = 3,088.86 : x
  2. Step 2: Convert to fraction form
    7,769.70/11,659.29 = 3,088.86/x
  3. Step 3: Cross multiply
    7,769.70x = 11,659.29 × 3,088.86
  4. Step 4: Simplify right side
    7,769.70x = 36,013,914.51
  5. Step 5: Solve for x
    x = 36,013,914.51/7,769.70
  6. Step 6: Final answer
    x = 4,635.17

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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.