Home / 7,764.24-10,714.88-4,227.60

Finding the Fourth Proportional to 7,764.24, 10,714.88 and 4,227.60

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Solution

The fourth proportional to 7,764.24, 10,714.88 and 4,227.60 is: 5,834.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,764.24 : 10,714.88 = 4,227.60 : x
  2. Step 2: Convert to fraction form
    7,764.24/10,714.88 = 4,227.60/x
  3. Step 3: Cross multiply
    7,764.24x = 10,714.88 × 4,227.60
  4. Step 4: Simplify right side
    7,764.24x = 45,298,226.69
  5. Step 5: Solve for x
    x = 45,298,226.69/7,764.24
  6. Step 6: Final answer
    x = 5,834.21

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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.