Home / 5,256.39-7,254.16-3,581.21

Finding the Fourth Proportional to 5,256.39, 7,254.16 and 3,581.21

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Solution

The fourth proportional to 5,256.39, 7,254.16 and 3,581.21 is: 4,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.39 : 7,254.16 = 3,581.21 : x
  2. Step 2: Convert to fraction form
    5,256.39/7,254.16 = 3,581.21/x
  3. Step 3: Cross multiply
    5,256.39x = 7,254.16 × 3,581.21
  4. Step 4: Simplify right side
    5,256.39x = 25,978,679.52
  5. Step 5: Solve for x
    x = 25,978,679.52/5,256.39
  6. Step 6: Final answer
    x = 4,942.30

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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.