Home / 5,627.28-7,761.36-3,735.48

Finding the Fourth Proportional to 5,627.28, 7,761.36 and 3,735.48

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Solution

The fourth proportional to 5,627.28, 7,761.36 and 3,735.48 is: 5,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.28 : 7,761.36 = 3,735.48 : x
  2. Step 2: Convert to fraction form
    5,627.28/7,761.36 = 3,735.48/x
  3. Step 3: Cross multiply
    5,627.28x = 7,761.36 × 3,735.48
  4. Step 4: Simplify right side
    5,627.28x = 28,992,405.05
  5. Step 5: Solve for x
    x = 28,992,405.05/5,627.28
  6. Step 6: Final answer
    x = 5,152.12

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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.