Home / 7,887.11-11,835.24-3,447.65

Finding the Fourth Proportional to 7,887.11, 11,835.24 and 3,447.65

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Solution

The fourth proportional to 7,887.11, 11,835.24 and 3,447.65 is: 5,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.11 : 11,835.24 = 3,447.65 : x
  2. Step 2: Convert to fraction form
    7,887.11/11,835.24 = 3,447.65/x
  3. Step 3: Cross multiply
    7,887.11x = 11,835.24 × 3,447.65
  4. Step 4: Simplify right side
    7,887.11x = 40,803,706.01
  5. Step 5: Solve for x
    x = 40,803,706.01/7,887.11
  6. Step 6: Final answer
    x = 5,173.47

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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.