Home / 7,764.18-10,714.67-4,227.39

Finding the Fourth Proportional to 7,764.18, 10,714.67 and 4,227.39

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Solution

The fourth proportional to 7,764.18, 10,714.67 and 4,227.39 is: 5,833.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.18 : 10,714.67 = 4,227.39 : x
  2. Step 2: Convert to fraction form
    7,764.18/10,714.67 = 4,227.39/x
  3. Step 3: Cross multiply
    7,764.18x = 10,714.67 × 4,227.39
  4. Step 4: Simplify right side
    7,764.18x = 45,295,067.67
  5. Step 5: Solve for x
    x = 45,295,067.67/7,764.18
  6. Step 6: Final answer
    x = 5,833.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.