Home / 5,108.17-7,645.83-3,455.62

Finding the Fourth Proportional to 5,108.17, 7,645.83 and 3,455.62

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Solution

The fourth proportional to 5,108.17, 7,645.83 and 3,455.62 is: 5,172.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.17 : 7,645.83 = 3,455.62 : x
  2. Step 2: Convert to fraction form
    5,108.17/7,645.83 = 3,455.62/x
  3. Step 3: Cross multiply
    5,108.17x = 7,645.83 × 3,455.62
  4. Step 4: Simplify right side
    5,108.17x = 26,421,083.06
  5. Step 5: Solve for x
    x = 26,421,083.06/5,108.17
  6. Step 6: Final answer
    x = 5,172.32

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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.