Home / 3,927.78-5,891.67-1,006.11

Finding the Fourth Proportional to 3,927.78, 5,891.67 and 1,006.11

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Solution

The fourth proportional to 3,927.78, 5,891.67 and 1,006.11 is: 1,509.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.78 : 5,891.67 = 1,006.11 : x
  2. Step 2: Convert to fraction form
    3,927.78/5,891.67 = 1,006.11/x
  3. Step 3: Cross multiply
    3,927.78x = 5,891.67 × 1,006.11
  4. Step 4: Simplify right side
    3,927.78x = 5,927,668.10
  5. Step 5: Solve for x
    x = 5,927,668.10/3,927.78
  6. Step 6: Final answer
    x = 1,509.17

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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.