Home / 5,210.82-7,817.43-1,748.07

Finding the Fourth Proportional to 5,210.82, 7,817.43 and 1,748.07

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Solution

The fourth proportional to 5,210.82, 7,817.43 and 1,748.07 is: 2,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210.82 : 7,817.43 = 1,748.07 : x
  2. Step 2: Convert to fraction form
    5,210.82/7,817.43 = 1,748.07/x
  3. Step 3: Cross multiply
    5,210.82x = 7,817.43 × 1,748.07
  4. Step 4: Simplify right side
    5,210.82x = 13,665,414.86
  5. Step 5: Solve for x
    x = 13,665,414.86/5,210.82
  6. Step 6: Final answer
    x = 2,622.51

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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.