Home / 6,673.83-9,209.65-3,689.61

Finding the Fourth Proportional to 6,673.83, 9,209.65 and 3,689.61

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Solution

The fourth proportional to 6,673.83, 9,209.65 and 3,689.61 is: 5,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.83 : 9,209.65 = 3,689.61 : x
  2. Step 2: Convert to fraction form
    6,673.83/9,209.65 = 3,689.61/x
  3. Step 3: Cross multiply
    6,673.83x = 9,209.65 × 3,689.61
  4. Step 4: Simplify right side
    6,673.83x = 33,980,016.74
  5. Step 5: Solve for x
    x = 33,980,016.74/6,673.83
  6. Step 6: Final answer
    x = 5,091.53

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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.