Home / 4,769.46-7,155.99-1,998

Finding the Fourth Proportional to 4,769.46, 7,155.99 and 1,998

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Solution

The fourth proportional to 4,769.46, 7,155.99 and 1,998 is: 2,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769.46 : 7,155.99 = 1,998 : x
  2. Step 2: Convert to fraction form
    4,769.46/7,155.99 = 1,998/x
  3. Step 3: Cross multiply
    4,769.46x = 7,155.99 × 1,998
  4. Step 4: Simplify right side
    4,769.46x = 14,297,668.02
  5. Step 5: Solve for x
    x = 14,297,668.02/4,769.46
  6. Step 6: Final answer
    x = 2,997.75

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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.