Home / 6,163.20-9,240.32-4,209.28

Finding the Fourth Proportional to 6,163.20, 9,240.32 and 4,209.28

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Solution

The fourth proportional to 6,163.20, 9,240.32 and 4,209.28 is: 6,310.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.20 : 9,240.32 = 4,209.28 : x
  2. Step 2: Convert to fraction form
    6,163.20/9,240.32 = 4,209.28/x
  3. Step 3: Cross multiply
    6,163.20x = 9,240.32 × 4,209.28
  4. Step 4: Simplify right side
    6,163.20x = 38,895,094.17
  5. Step 5: Solve for x
    x = 38,895,094.17/6,163.20
  6. Step 6: Final answer
    x = 6,310.86

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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.