Home / 7,010.21-9,669.75-4,175.66

Finding the Fourth Proportional to 7,010.21, 9,669.75 and 4,175.66

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Solution

The fourth proportional to 7,010.21, 9,669.75 and 4,175.66 is: 5,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,010.21 : 9,669.75 = 4,175.66 : x
  2. Step 2: Convert to fraction form
    7,010.21/9,669.75 = 4,175.66/x
  3. Step 3: Cross multiply
    7,010.21x = 9,669.75 × 4,175.66
  4. Step 4: Simplify right side
    7,010.21x = 40,377,542.41
  5. Step 5: Solve for x
    x = 40,377,542.41/7,010.21
  6. Step 6: Final answer
    x = 5,759.82

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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.