Home / 5,086.16-7,628.68-1,622.96

Finding the Fourth Proportional to 5,086.16, 7,628.68 and 1,622.96

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Solution

The fourth proportional to 5,086.16, 7,628.68 and 1,622.96 is: 2,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.16 : 7,628.68 = 1,622.96 : x
  2. Step 2: Convert to fraction form
    5,086.16/7,628.68 = 1,622.96/x
  3. Step 3: Cross multiply
    5,086.16x = 7,628.68 × 1,622.96
  4. Step 4: Simplify right side
    5,086.16x = 12,381,042.49
  5. Step 5: Solve for x
    x = 12,381,042.49/5,086.16
  6. Step 6: Final answer
    x = 2,434.26

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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.