Home / 9,491.83-14,239.11-2,918.57

Finding the Fourth Proportional to 9,491.83, 14,239.11 and 2,918.57

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Solution

The fourth proportional to 9,491.83, 14,239.11 and 2,918.57 is: 4,378.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,491.83 : 14,239.11 = 2,918.57 : x
  2. Step 2: Convert to fraction form
    9,491.83/14,239.11 = 2,918.57/x
  3. Step 3: Cross multiply
    9,491.83x = 14,239.11 × 2,918.57
  4. Step 4: Simplify right side
    9,491.83x = 41,557,753.48
  5. Step 5: Solve for x
    x = 41,557,753.48/9,491.83
  6. Step 6: Final answer
    x = 4,378.27

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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.