Home / 7,329.72-10,999.04-3,168.93

Finding the Fourth Proportional to 7,329.72, 10,999.04 and 3,168.93

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Solution

The fourth proportional to 7,329.72, 10,999.04 and 3,168.93 is: 4,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.72 : 10,999.04 = 3,168.93 : x
  2. Step 2: Convert to fraction form
    7,329.72/10,999.04 = 3,168.93/x
  3. Step 3: Cross multiply
    7,329.72x = 10,999.04 × 3,168.93
  4. Step 4: Simplify right side
    7,329.72x = 34,855,171.98
  5. Step 5: Solve for x
    x = 34,855,171.98/7,329.72
  6. Step 6: Final answer
    x = 4,755.32

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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.