Home / 7,587.38-11,382.03-2,969.78

Finding the Fourth Proportional to 7,587.38, 11,382.03 and 2,969.78

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Solution

The fourth proportional to 7,587.38, 11,382.03 and 2,969.78 is: 4,455.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.38 : 11,382.03 = 2,969.78 : x
  2. Step 2: Convert to fraction form
    7,587.38/11,382.03 = 2,969.78/x
  3. Step 3: Cross multiply
    7,587.38x = 11,382.03 × 2,969.78
  4. Step 4: Simplify right side
    7,587.38x = 33,802,125.05
  5. Step 5: Solve for x
    x = 33,802,125.05/7,587.38
  6. Step 6: Final answer
    x = 4,455.05

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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.