Home / 5,398.40-8,092.26-2,279.22

Finding the Fourth Proportional to 5,398.40, 8,092.26 and 2,279.22

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Solution

The fourth proportional to 5,398.40, 8,092.26 and 2,279.22 is: 3,416.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,398.40 : 8,092.26 = 2,279.22 : x
  2. Step 2: Convert to fraction form
    5,398.40/8,092.26 = 2,279.22/x
  3. Step 3: Cross multiply
    5,398.40x = 8,092.26 × 2,279.22
  4. Step 4: Simplify right side
    5,398.40x = 18,444,040.84
  5. Step 5: Solve for x
    x = 18,444,040.84/5,398.40
  6. Step 6: Final answer
    x = 3,416.58

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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.