Home / 6,615.33-9,920.49-2,665.25

Finding the Fourth Proportional to 6,615.33, 9,920.49 and 2,665.25

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Solution

The fourth proportional to 6,615.33, 9,920.49 and 2,665.25 is: 3,996.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.33 : 9,920.49 = 2,665.25 : x
  2. Step 2: Convert to fraction form
    6,615.33/9,920.49 = 2,665.25/x
  3. Step 3: Cross multiply
    6,615.33x = 9,920.49 × 2,665.25
  4. Step 4: Simplify right side
    6,615.33x = 26,440,536.37
  5. Step 5: Solve for x
    x = 26,440,536.37/6,615.33
  6. Step 6: Final answer
    x = 3,996.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.