Home / 7,147.62-10,722.11-2,215.93

Finding the Fourth Proportional to 7,147.62, 10,722.11 and 2,215.93

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Solution

The fourth proportional to 7,147.62, 10,722.11 and 2,215.93 is: 3,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.62 : 10,722.11 = 2,215.93 : x
  2. Step 2: Convert to fraction form
    7,147.62/10,722.11 = 2,215.93/x
  3. Step 3: Cross multiply
    7,147.62x = 10,722.11 × 2,215.93
  4. Step 4: Simplify right side
    7,147.62x = 23,759,445.21
  5. Step 5: Solve for x
    x = 23,759,445.21/7,147.62
  6. Step 6: Final answer
    x = 3,324.11

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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.