Home / 9,175.09-13,765.73-3,909.89

Finding the Fourth Proportional to 9,175.09, 13,765.73 and 3,909.89

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Solution

The fourth proportional to 9,175.09, 13,765.73 and 3,909.89 is: 5,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,175.09 : 13,765.73 = 3,909.89 : x
  2. Step 2: Convert to fraction form
    9,175.09/13,765.73 = 3,909.89/x
  3. Step 3: Cross multiply
    9,175.09x = 13,765.73 × 3,909.89
  4. Step 4: Simplify right side
    9,175.09x = 53,822,490.07
  5. Step 5: Solve for x
    x = 53,822,490.07/9,175.09
  6. Step 6: Final answer
    x = 5,866.15

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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.