Home / 7,146.62-10,720.61-2,214.93

Finding the Fourth Proportional to 7,146.62, 10,720.61 and 2,214.93

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Solution

The fourth proportional to 7,146.62, 10,720.61 and 2,214.93 is: 3,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.62 : 10,720.61 = 2,214.93 : x
  2. Step 2: Convert to fraction form
    7,146.62/10,720.61 = 2,214.93/x
  3. Step 3: Cross multiply
    7,146.62x = 10,720.61 × 2,214.93
  4. Step 4: Simplify right side
    7,146.62x = 23,745,389.63
  5. Step 5: Solve for x
    x = 23,745,389.63/7,146.62
  6. Step 6: Final answer
    x = 3,322.61

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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.