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Finding the Fourth Proportional to 6,697.90, 10,046.80 and 2,017.89

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Solution

The fourth proportional to 6,697.90, 10,046.80 and 2,017.89 is: 3,026.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,697.90 : 10,046.80 = 2,017.89 : x
  2. Step 2: Convert to fraction form
    6,697.90/10,046.80 = 2,017.89/x
  3. Step 3: Cross multiply
    6,697.90x = 10,046.80 × 2,017.89
  4. Step 4: Simplify right side
    6,697.90x = 20,273,337.25
  5. Step 5: Solve for x
    x = 20,273,337.25/6,697.90
  6. Step 6: Final answer
    x = 3,026.82

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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.