Home / 5,422.16-8,128.44-2,342.48

Finding the Fourth Proportional to 5,422.16, 8,128.44 and 2,342.48

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Solution

The fourth proportional to 5,422.16, 8,128.44 and 2,342.48 is: 3,511.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.16 : 8,128.44 = 2,342.48 : x
  2. Step 2: Convert to fraction form
    5,422.16/8,128.44 = 2,342.48/x
  3. Step 3: Cross multiply
    5,422.16x = 8,128.44 × 2,342.48
  4. Step 4: Simplify right side
    5,422.16x = 19,040,708.13
  5. Step 5: Solve for x
    x = 19,040,708.13/5,422.16
  6. Step 6: Final answer
    x = 3,511.65

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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.