Home / 7,078.22-10,614.09-2,146.13

Finding the Fourth Proportional to 7,078.22, 10,614.09 and 2,146.13

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Solution

The fourth proportional to 7,078.22, 10,614.09 and 2,146.13 is: 3,218.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078.22 : 10,614.09 = 2,146.13 : x
  2. Step 2: Convert to fraction form
    7,078.22/10,614.09 = 2,146.13/x
  3. Step 3: Cross multiply
    7,078.22x = 10,614.09 × 2,146.13
  4. Step 4: Simplify right side
    7,078.22x = 22,779,216.97
  5. Step 5: Solve for x
    x = 22,779,216.97/7,078.22
  6. Step 6: Final answer
    x = 3,218.21

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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.