Home / 5,552.56-7,661.28-3,314.80

Finding the Fourth Proportional to 5,552.56, 7,661.28 and 3,314.80

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Solution

The fourth proportional to 5,552.56, 7,661.28 and 3,314.80 is: 4,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.56 : 7,661.28 = 3,314.80 : x
  2. Step 2: Convert to fraction form
    5,552.56/7,661.28 = 3,314.80/x
  3. Step 3: Cross multiply
    5,552.56x = 7,661.28 × 3,314.80
  4. Step 4: Simplify right side
    5,552.56x = 25,395,610.94
  5. Step 5: Solve for x
    x = 25,395,610.94/5,552.56
  6. Step 6: Final answer
    x = 4,573.68

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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.