Home / 5,521.26-7,619.28-3,003.42

Finding the Fourth Proportional to 5,521.26, 7,619.28 and 3,003.42

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Solution

The fourth proportional to 5,521.26, 7,619.28 and 3,003.42 is: 4,144.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.26 : 7,619.28 = 3,003.42 : x
  2. Step 2: Convert to fraction form
    5,521.26/7,619.28 = 3,003.42/x
  3. Step 3: Cross multiply
    5,521.26x = 7,619.28 × 3,003.42
  4. Step 4: Simplify right side
    5,521.26x = 22,883,897.94
  5. Step 5: Solve for x
    x = 22,883,897.94/5,521.26
  6. Step 6: Final answer
    x = 4,144.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.