Home / 7,935.90-11,884.41-5,590.14

Finding the Fourth Proportional to 7,935.90, 11,884.41 and 5,590.14

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Solution

The fourth proportional to 7,935.90, 11,884.41 and 5,590.14 is: 8,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.90 : 11,884.41 = 5,590.14 : x
  2. Step 2: Convert to fraction form
    7,935.90/11,884.41 = 5,590.14/x
  3. Step 3: Cross multiply
    7,935.90x = 11,884.41 × 5,590.14
  4. Step 4: Simplify right side
    7,935.90x = 66,435,515.72
  5. Step 5: Solve for x
    x = 66,435,515.72/7,935.90
  6. Step 6: Final answer
    x = 8,371.52

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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.