Home / 7,764.45-10,714.92-4,227.68

Finding the Fourth Proportional to 7,764.45, 10,714.92 and 4,227.68

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Solution

The fourth proportional to 7,764.45, 10,714.92 and 4,227.68 is: 5,834.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.45 : 10,714.92 = 4,227.68 : x
  2. Step 2: Convert to fraction form
    7,764.45/10,714.92 = 4,227.68/x
  3. Step 3: Cross multiply
    7,764.45x = 10,714.92 × 4,227.68
  4. Step 4: Simplify right side
    7,764.45x = 45,299,252.99
  5. Step 5: Solve for x
    x = 45,299,252.99/7,764.45
  6. Step 6: Final answer
    x = 5,834.19

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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.