Home / 5,170.08-7,755.18-1,472.40

Finding the Fourth Proportional to 5,170.08, 7,755.18 and 1,472.40

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Solution

The fourth proportional to 5,170.08, 7,755.18 and 1,472.40 is: 2,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,170.08 : 7,755.18 = 1,472.40 : x
  2. Step 2: Convert to fraction form
    5,170.08/7,755.18 = 1,472.40/x
  3. Step 3: Cross multiply
    5,170.08x = 7,755.18 × 1,472.40
  4. Step 4: Simplify right side
    5,170.08x = 11,418,727.03
  5. Step 5: Solve for x
    x = 11,418,727.03/5,170.08
  6. Step 6: Final answer
    x = 2,208.62

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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.