Home / 7,818.83-11,729.44-2,625.92

Finding the Fourth Proportional to 7,818.83, 11,729.44 and 2,625.92

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Solution

The fourth proportional to 7,818.83, 11,729.44 and 2,625.92 is: 3,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.83 : 11,729.44 = 2,625.92 : x
  2. Step 2: Convert to fraction form
    7,818.83/11,729.44 = 2,625.92/x
  3. Step 3: Cross multiply
    7,818.83x = 11,729.44 × 2,625.92
  4. Step 4: Simplify right side
    7,818.83x = 30,800,559.71
  5. Step 5: Solve for x
    x = 30,800,559.71/7,818.83
  6. Step 6: Final answer
    x = 3,939.28

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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.