Home / 7,329.32-10,999.92-3,631.40

Finding the Fourth Proportional to 7,329.32, 10,999.92 and 3,631.40

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Solution

The fourth proportional to 7,329.32, 10,999.92 and 3,631.40 is: 5,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.32 : 10,999.92 = 3,631.40 : x
  2. Step 2: Convert to fraction form
    7,329.32/10,999.92 = 3,631.40/x
  3. Step 3: Cross multiply
    7,329.32x = 10,999.92 × 3,631.40
  4. Step 4: Simplify right side
    7,329.32x = 39,945,109.49
  5. Step 5: Solve for x
    x = 39,945,109.49/7,329.32
  6. Step 6: Final answer
    x = 5,450.04

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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.