Home / 6,650.52-9,178.32-3,997.50

Finding the Fourth Proportional to 6,650.52, 9,178.32 and 3,997.50

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Solution

The fourth proportional to 6,650.52, 9,178.32 and 3,997.50 is: 5,516.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.52 : 9,178.32 = 3,997.50 : x
  2. Step 2: Convert to fraction form
    6,650.52/9,178.32 = 3,997.50/x
  3. Step 3: Cross multiply
    6,650.52x = 9,178.32 × 3,997.50
  4. Step 4: Simplify right side
    6,650.52x = 36,690,334.20
  5. Step 5: Solve for x
    x = 36,690,334.20/6,650.52
  6. Step 6: Final answer
    x = 5,516.91

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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.