Home / 6,627.60-9,940.66-1,697.28

Finding the Fourth Proportional to 6,627.60, 9,940.66 and 1,697.28

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Solution

The fourth proportional to 6,627.60, 9,940.66 and 1,697.28 is: 2,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.60 : 9,940.66 = 1,697.28 : x
  2. Step 2: Convert to fraction form
    6,627.60/9,940.66 = 1,697.28/x
  3. Step 3: Cross multiply
    6,627.60x = 9,940.66 × 1,697.28
  4. Step 4: Simplify right side
    6,627.60x = 16,872,083.40
  5. Step 5: Solve for x
    x = 16,872,083.40/6,627.60
  6. Step 6: Final answer
    x = 2,545.73

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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.