Home / 7,439.33-11,157.91-2,172.96

Finding the Fourth Proportional to 7,439.33, 11,157.91 and 2,172.96

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Solution

The fourth proportional to 7,439.33, 11,157.91 and 2,172.96 is: 3,259.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,439.33 : 11,157.91 = 2,172.96 : x
  2. Step 2: Convert to fraction form
    7,439.33/11,157.91 = 2,172.96/x
  3. Step 3: Cross multiply
    7,439.33x = 11,157.91 × 2,172.96
  4. Step 4: Simplify right side
    7,439.33x = 24,245,686.68
  5. Step 5: Solve for x
    x = 24,245,686.68/7,439.33
  6. Step 6: Final answer
    x = 3,259.12

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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.