Home / 6,609.34-9,120.88-3,625.22

Finding the Fourth Proportional to 6,609.34, 9,120.88 and 3,625.22

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Solution

The fourth proportional to 6,609.34, 9,120.88 and 3,625.22 is: 5,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.34 : 9,120.88 = 3,625.22 : x
  2. Step 2: Convert to fraction form
    6,609.34/9,120.88 = 3,625.22/x
  3. Step 3: Cross multiply
    6,609.34x = 9,120.88 × 3,625.22
  4. Step 4: Simplify right side
    6,609.34x = 33,065,223.93
  5. Step 5: Solve for x
    x = 33,065,223.93/6,609.34
  6. Step 6: Final answer
    x = 5,002.80

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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.