Home / 7,331.58-10,989.11-3,636.46

Finding the Fourth Proportional to 7,331.58, 10,989.11 and 3,636.46

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Solution

The fourth proportional to 7,331.58, 10,989.11 and 3,636.46 is: 5,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.58 : 10,989.11 = 3,636.46 : x
  2. Step 2: Convert to fraction form
    7,331.58/10,989.11 = 3,636.46/x
  3. Step 3: Cross multiply
    7,331.58x = 10,989.11 × 3,636.46
  4. Step 4: Simplify right side
    7,331.58x = 39,961,385.82
  5. Step 5: Solve for x
    x = 39,961,385.82/7,331.58
  6. Step 6: Final answer
    x = 5,450.59

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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.