Home / 6,120.40-9,179.21-2,997.28

Finding the Fourth Proportional to 6,120.40, 9,179.21 and 2,997.28

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Solution

The fourth proportional to 6,120.40, 9,179.21 and 2,997.28 is: 4,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.40 : 9,179.21 = 2,997.28 : x
  2. Step 2: Convert to fraction form
    6,120.40/9,179.21 = 2,997.28/x
  3. Step 3: Cross multiply
    6,120.40x = 9,179.21 × 2,997.28
  4. Step 4: Simplify right side
    6,120.40x = 27,512,601.67
  5. Step 5: Solve for x
    x = 27,512,601.67/6,120.40
  6. Step 6: Final answer
    x = 4,495.23

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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.