Home / 5,627.31-8,436.39-2,342.85

Finding the Fourth Proportional to 5,627.31, 8,436.39 and 2,342.85

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Solution

The fourth proportional to 5,627.31, 8,436.39 and 2,342.85 is: 3,512.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.31 : 8,436.39 = 2,342.85 : x
  2. Step 2: Convert to fraction form
    5,627.31/8,436.39 = 2,342.85/x
  3. Step 3: Cross multiply
    5,627.31x = 8,436.39 × 2,342.85
  4. Step 4: Simplify right side
    5,627.31x = 19,765,196.31
  5. Step 5: Solve for x
    x = 19,765,196.31/5,627.31
  6. Step 6: Final answer
    x = 3,512.37

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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.