Home / 7,148.07-10,723.86-2,218.41

Finding the Fourth Proportional to 7,148.07, 10,723.86 and 2,218.41

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Solution

The fourth proportional to 7,148.07, 10,723.86 and 2,218.41 is: 3,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.07 : 10,723.86 = 2,218.41 : x
  2. Step 2: Convert to fraction form
    7,148.07/10,723.86 = 2,218.41/x
  3. Step 3: Cross multiply
    7,148.07x = 10,723.86 × 2,218.41
  4. Step 4: Simplify right side
    7,148.07x = 23,789,918.26
  5. Step 5: Solve for x
    x = 23,789,918.26/7,148.07
  6. Step 6: Final answer
    x = 3,328.16

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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.