Home / 5,028.78-7,534.96-2,560.20

Finding the Fourth Proportional to 5,028.78, 7,534.96 and 2,560.20

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Solution

The fourth proportional to 5,028.78, 7,534.96 and 2,560.20 is: 3,836.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.78 : 7,534.96 = 2,560.20 : x
  2. Step 2: Convert to fraction form
    5,028.78/7,534.96 = 2,560.20/x
  3. Step 3: Cross multiply
    5,028.78x = 7,534.96 × 2,560.20
  4. Step 4: Simplify right side
    5,028.78x = 19,291,004.59
  5. Step 5: Solve for x
    x = 19,291,004.59/5,028.78
  6. Step 6: Final answer
    x = 3,836.12

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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.