Home / 4,937.71-7,406.38-1,239.97

Finding the Fourth Proportional to 4,937.71, 7,406.38 and 1,239.97

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Solution

The fourth proportional to 4,937.71, 7,406.38 and 1,239.97 is: 1,859.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.71 : 7,406.38 = 1,239.97 : x
  2. Step 2: Convert to fraction form
    4,937.71/7,406.38 = 1,239.97/x
  3. Step 3: Cross multiply
    4,937.71x = 7,406.38 × 1,239.97
  4. Step 4: Simplify right side
    4,937.71x = 9,183,689.01
  5. Step 5: Solve for x
    x = 9,183,689.01/4,937.71
  6. Step 6: Final answer
    x = 1,859.91

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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.