Home / 5,528.78-7,625.58-3,850.28

Finding the Fourth Proportional to 5,528.78, 7,625.58 and 3,850.28

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Solution

The fourth proportional to 5,528.78, 7,625.58 and 3,850.28 is: 5,310.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528.78 : 7,625.58 = 3,850.28 : x
  2. Step 2: Convert to fraction form
    5,528.78/7,625.58 = 3,850.28/x
  3. Step 3: Cross multiply
    5,528.78x = 7,625.58 × 3,850.28
  4. Step 4: Simplify right side
    5,528.78x = 29,360,618.16
  5. Step 5: Solve for x
    x = 29,360,618.16/5,528.78
  6. Step 6: Final answer
    x = 5,310.51

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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.