Home / 4,769.77-7,148.48-4,115.75

Finding the Fourth Proportional to 4,769.77, 7,148.48 and 4,115.75

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Solution

The fourth proportional to 4,769.77, 7,148.48 and 4,115.75 is: 6,168.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.77 : 7,148.48 = 4,115.75 : x
  2. Step 2: Convert to fraction form
    4,769.77/7,148.48 = 4,115.75/x
  3. Step 3: Cross multiply
    4,769.77x = 7,148.48 × 4,115.75
  4. Step 4: Simplify right side
    4,769.77x = 29,421,356.56
  5. Step 5: Solve for x
    x = 29,421,356.56/4,769.77
  6. Step 6: Final answer
    x = 6,168.30

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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.