Home / 6,689.89-9,229.14-4,701.75

Finding the Fourth Proportional to 6,689.89, 9,229.14 and 4,701.75

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Solution

The fourth proportional to 6,689.89, 9,229.14 and 4,701.75 is: 6,486.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.89 : 9,229.14 = 4,701.75 : x
  2. Step 2: Convert to fraction form
    6,689.89/9,229.14 = 4,701.75/x
  3. Step 3: Cross multiply
    6,689.89x = 9,229.14 × 4,701.75
  4. Step 4: Simplify right side
    6,689.89x = 43,393,074.39
  5. Step 5: Solve for x
    x = 43,393,074.39/6,689.89
  6. Step 6: Final answer
    x = 6,486.36

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Half scale
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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.