Home / 5,028.39-7,540.78-1,740.60

Finding the Fourth Proportional to 5,028.39, 7,540.78 and 1,740.60

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Solution

The fourth proportional to 5,028.39, 7,540.78 and 1,740.60 is: 2,610.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.39 : 7,540.78 = 1,740.60 : x
  2. Step 2: Convert to fraction form
    5,028.39/7,540.78 = 1,740.60/x
  3. Step 3: Cross multiply
    5,028.39x = 7,540.78 × 1,740.60
  4. Step 4: Simplify right side
    5,028.39x = 13,125,439.61
  5. Step 5: Solve for x
    x = 13,125,439.61/5,028.39
  6. Step 6: Final answer
    x = 2,610.27

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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.