Home / 7,824.27-11,732.76-4,128.24

Finding the Fourth Proportional to 7,824.27, 11,732.76 and 4,128.24

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Solution

The fourth proportional to 7,824.27, 11,732.76 and 4,128.24 is: 6,190.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.27 : 11,732.76 = 4,128.24 : x
  2. Step 2: Convert to fraction form
    7,824.27/11,732.76 = 4,128.24/x
  3. Step 3: Cross multiply
    7,824.27x = 11,732.76 × 4,128.24
  4. Step 4: Simplify right side
    7,824.27x = 48,435,649.14
  5. Step 5: Solve for x
    x = 48,435,649.14/7,824.27
  6. Step 6: Final answer
    x = 6,190.44

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1.5x scale

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.