Home / 5,378.52-7,422.84-3,021.24

Finding the Fourth Proportional to 5,378.52, 7,422.84 and 3,021.24

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Solution

The fourth proportional to 5,378.52, 7,422.84 and 3,021.24 is: 4,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.52 : 7,422.84 = 3,021.24 : x
  2. Step 2: Convert to fraction form
    5,378.52/7,422.84 = 3,021.24/x
  3. Step 3: Cross multiply
    5,378.52x = 7,422.84 × 3,021.24
  4. Step 4: Simplify right side
    5,378.52x = 22,426,181.12
  5. Step 5: Solve for x
    x = 22,426,181.12/5,378.52
  6. Step 6: Final answer
    x = 4,169.58

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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.