Home / 5,217-7,825.64-1,754.25

Finding the Fourth Proportional to 5,217, 7,825.64 and 1,754.25

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Solution

The fourth proportional to 5,217, 7,825.64 and 1,754.25 is: 2,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217 : 7,825.64 = 1,754.25 : x
  2. Step 2: Convert to fraction form
    5,217/7,825.64 = 1,754.25/x
  3. Step 3: Cross multiply
    5,217x = 7,825.64 × 1,754.25
  4. Step 4: Simplify right side
    5,217x = 13,728,120.20
  5. Step 5: Solve for x
    x = 13,728,120.20/5,217
  6. Step 6: Final answer
    x = 2,631.42

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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.