Home / 7,147.26-10,722.60-2,984.97

Finding the Fourth Proportional to 7,147.26, 10,722.60 and 2,984.97

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Solution

The fourth proportional to 7,147.26, 10,722.60 and 2,984.97 is: 4,478.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147.26 : 10,722.60 = 2,984.97 : x
  2. Step 2: Convert to fraction form
    7,147.26/10,722.60 = 2,984.97/x
  3. Step 3: Cross multiply
    7,147.26x = 10,722.60 × 2,984.97
  4. Step 4: Simplify right side
    7,147.26x = 32,006,639.32
  5. Step 5: Solve for x
    x = 32,006,639.32/7,147.26
  6. Step 6: Final answer
    x = 4,478.17

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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.