Home / 5,105.14-7,658.43-1,817.26

Finding the Fourth Proportional to 5,105.14, 7,658.43 and 1,817.26

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Solution

The fourth proportional to 5,105.14, 7,658.43 and 1,817.26 is: 2,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.14 : 7,658.43 = 1,817.26 : x
  2. Step 2: Convert to fraction form
    5,105.14/7,658.43 = 1,817.26/x
  3. Step 3: Cross multiply
    5,105.14x = 7,658.43 × 1,817.26
  4. Step 4: Simplify right side
    5,105.14x = 13,917,358.50
  5. Step 5: Solve for x
    x = 13,917,358.50/5,105.14
  6. Step 6: Final answer
    x = 2,726.15

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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.