Home / 7,331.83-10,989.48-3,636.71

Finding the Fourth Proportional to 7,331.83, 10,989.48 and 3,636.71

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Solution

The fourth proportional to 7,331.83, 10,989.48 and 3,636.71 is: 5,450.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.83 : 10,989.48 = 3,636.71 : x
  2. Step 2: Convert to fraction form
    7,331.83/10,989.48 = 3,636.71/x
  3. Step 3: Cross multiply
    7,331.83x = 10,989.48 × 3,636.71
  4. Step 4: Simplify right side
    7,331.83x = 39,965,496.86
  5. Step 5: Solve for x
    x = 39,965,496.86/7,331.83
  6. Step 6: Final answer
    x = 5,450.96

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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.