Home / 5,628.09-8,442.14-2,162.91

Finding the Fourth Proportional to 5,628.09, 8,442.14 and 2,162.91

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Solution

The fourth proportional to 5,628.09, 8,442.14 and 2,162.91 is: 3,244.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.09 : 8,442.14 = 2,162.91 : x
  2. Step 2: Convert to fraction form
    5,628.09/8,442.14 = 2,162.91/x
  3. Step 3: Cross multiply
    5,628.09x = 8,442.14 × 2,162.91
  4. Step 4: Simplify right side
    5,628.09x = 18,259,589.03
  5. Step 5: Solve for x
    x = 18,259,589.03/5,628.09
  6. Step 6: Final answer
    x = 3,244.37

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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.