Home / 6,686.79-9,229.77-4,329.09

Finding the Fourth Proportional to 6,686.79, 9,229.77 and 4,329.09

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Solution

The fourth proportional to 6,686.79, 9,229.77 and 4,329.09 is: 5,975.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.79 : 9,229.77 = 4,329.09 : x
  2. Step 2: Convert to fraction form
    6,686.79/9,229.77 = 4,329.09/x
  3. Step 3: Cross multiply
    6,686.79x = 9,229.77 × 4,329.09
  4. Step 4: Simplify right side
    6,686.79x = 39,956,505.01
  5. Step 5: Solve for x
    x = 39,956,505.01/6,686.79
  6. Step 6: Final answer
    x = 5,975.44

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1.5x scale

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.