Home / 6,455.45-9,682.98-1,838.45

Finding the Fourth Proportional to 6,455.45, 9,682.98 and 1,838.45

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Solution

The fourth proportional to 6,455.45, 9,682.98 and 1,838.45 is: 2,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.45 : 9,682.98 = 1,838.45 : x
  2. Step 2: Convert to fraction form
    6,455.45/9,682.98 = 1,838.45/x
  3. Step 3: Cross multiply
    6,455.45x = 9,682.98 × 1,838.45
  4. Step 4: Simplify right side
    6,455.45x = 17,801,691.89
  5. Step 5: Solve for x
    x = 17,801,691.89/6,455.45
  6. Step 6: Final answer
    x = 2,757.62

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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.