Home / 6,635.69-9,157.39-3,651.68

Finding the Fourth Proportional to 6,635.69, 9,157.39 and 3,651.68

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Solution

The fourth proportional to 6,635.69, 9,157.39 and 3,651.68 is: 5,039.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,635.69 : 9,157.39 = 3,651.68 : x
  2. Step 2: Convert to fraction form
    6,635.69/9,157.39 = 3,651.68/x
  3. Step 3: Cross multiply
    6,635.69x = 9,157.39 × 3,651.68
  4. Step 4: Simplify right side
    6,635.69x = 33,439,803.00
  5. Step 5: Solve for x
    x = 33,439,803.00/6,635.69
  6. Step 6: Final answer
    x = 5,039.39

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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.