Home / 7,887.11-11,826.51-2,339.69

Finding the Fourth Proportional to 7,887.11, 11,826.51 and 2,339.69

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Solution

The fourth proportional to 7,887.11, 11,826.51 and 2,339.69 is: 3,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.11 : 11,826.51 = 2,339.69 : x
  2. Step 2: Convert to fraction form
    7,887.11/11,826.51 = 2,339.69/x
  3. Step 3: Cross multiply
    7,887.11x = 11,826.51 × 2,339.69
  4. Step 4: Simplify right side
    7,887.11x = 27,670,308.05
  5. Step 5: Solve for x
    x = 27,670,308.05/7,887.11
  6. Step 6: Final answer
    x = 3,508.30

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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.