Home / 5,107.55-7,664.58-2,769.19

Finding the Fourth Proportional to 5,107.55, 7,664.58 and 2,769.19

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Solution

The fourth proportional to 5,107.55, 7,664.58 and 2,769.19 is: 4,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107.55 : 7,664.58 = 2,769.19 : x
  2. Step 2: Convert to fraction form
    5,107.55/7,664.58 = 2,769.19/x
  3. Step 3: Cross multiply
    5,107.55x = 7,664.58 × 2,769.19
  4. Step 4: Simplify right side
    5,107.55x = 21,224,659.13
  5. Step 5: Solve for x
    x = 21,224,659.13/5,107.55
  6. Step 6: Final answer
    x = 4,155.55

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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.