Home / 7,758.83-11,641.37-2,828.96

Finding the Fourth Proportional to 7,758.83, 11,641.37 and 2,828.96

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Solution

The fourth proportional to 7,758.83, 11,641.37 and 2,828.96 is: 4,244.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.83 : 11,641.37 = 2,828.96 : x
  2. Step 2: Convert to fraction form
    7,758.83/11,641.37 = 2,828.96/x
  3. Step 3: Cross multiply
    7,758.83x = 11,641.37 × 2,828.96
  4. Step 4: Simplify right side
    7,758.83x = 32,932,897.72
  5. Step 5: Solve for x
    x = 32,932,897.72/7,758.83
  6. Step 6: Final answer
    x = 4,244.57

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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.