Home / 5,627.57-8,436.79-2,343.12

Finding the Fourth Proportional to 5,627.57, 8,436.79 and 2,343.12

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Solution

The fourth proportional to 5,627.57, 8,436.79 and 2,343.12 is: 3,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.57 : 8,436.79 = 2,343.12 : x
  2. Step 2: Convert to fraction form
    5,627.57/8,436.79 = 2,343.12/x
  3. Step 3: Cross multiply
    5,627.57x = 8,436.79 × 2,343.12
  4. Step 4: Simplify right side
    5,627.57x = 19,768,405.53
  5. Step 5: Solve for x
    x = 19,768,405.53/5,627.57
  6. Step 6: Final answer
    x = 3,512.78

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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.