Home / 8,179.47-11,289.96-4,824.21

Finding the Fourth Proportional to 8,179.47, 11,289.96 and 4,824.21

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Solution

The fourth proportional to 8,179.47, 11,289.96 and 4,824.21 is: 6,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.47 : 11,289.96 = 4,824.21 : x
  2. Step 2: Convert to fraction form
    8,179.47/11,289.96 = 4,824.21/x
  3. Step 3: Cross multiply
    8,179.47x = 11,289.96 × 4,824.21
  4. Step 4: Simplify right side
    8,179.47x = 54,465,137.93
  5. Step 5: Solve for x
    x = 54,465,137.93/8,179.47
  6. Step 6: Final answer
    x = 6,658.76

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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.