Home / 7,766.61-10,717.79-4,229.79

Finding the Fourth Proportional to 7,766.61, 10,717.79 and 4,229.79

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Solution

The fourth proportional to 7,766.61, 10,717.79 and 4,229.79 is: 5,837.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.61 : 10,717.79 = 4,229.79 : x
  2. Step 2: Convert to fraction form
    7,766.61/10,717.79 = 4,229.79/x
  3. Step 3: Cross multiply
    7,766.61x = 10,717.79 × 4,229.79
  4. Step 4: Simplify right side
    7,766.61x = 45,333,979.82
  5. Step 5: Solve for x
    x = 45,333,979.82/7,766.61
  6. Step 6: Final answer
    x = 5,837.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.