Home / 6,634.55-9,155.70-3,650.57

Finding the Fourth Proportional to 6,634.55, 9,155.70 and 3,650.57

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Solution

The fourth proportional to 6,634.55, 9,155.70 and 3,650.57 is: 5,037.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.55 : 9,155.70 = 3,650.57 : x
  2. Step 2: Convert to fraction form
    6,634.55/9,155.70 = 3,650.57/x
  3. Step 3: Cross multiply
    6,634.55x = 9,155.70 × 3,650.57
  4. Step 4: Simplify right side
    6,634.55x = 33,423,512.30
  5. Step 5: Solve for x
    x = 33,423,512.30/6,634.55
  6. Step 6: Final answer
    x = 5,037.79

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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.