Home / 6,609.64-9,121.50-3,625.66

Finding the Fourth Proportional to 6,609.64, 9,121.50 and 3,625.66

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Solution

The fourth proportional to 6,609.64, 9,121.50 and 3,625.66 is: 5,003.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.64 : 9,121.50 = 3,625.66 : x
  2. Step 2: Convert to fraction form
    6,609.64/9,121.50 = 3,625.66/x
  3. Step 3: Cross multiply
    6,609.64x = 9,121.50 × 3,625.66
  4. Step 4: Simplify right side
    6,609.64x = 33,071,457.69
  5. Step 5: Solve for x
    x = 33,071,457.69/6,609.64
  6. Step 6: Final answer
    x = 5,003.52

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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.