Home / 4,959.69-7,439.64-1,998.43

Finding the Fourth Proportional to 4,959.69, 7,439.64 and 1,998.43

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Solution

The fourth proportional to 4,959.69, 7,439.64 and 1,998.43 is: 2,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.69 : 7,439.64 = 1,998.43 : x
  2. Step 2: Convert to fraction form
    4,959.69/7,439.64 = 1,998.43/x
  3. Step 3: Cross multiply
    4,959.69x = 7,439.64 × 1,998.43
  4. Step 4: Simplify right side
    4,959.69x = 14,867,584.91
  5. Step 5: Solve for x
    x = 14,867,584.91/4,959.69
  6. Step 6: Final answer
    x = 2,997.69

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1.5x scale

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.