Home / 7,867.25-11,802.90-2,320.37

Finding the Fourth Proportional to 7,867.25, 11,802.90 and 2,320.37

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Solution

The fourth proportional to 7,867.25, 11,802.90 and 2,320.37 is: 3,481.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.25 : 11,802.90 = 2,320.37 : x
  2. Step 2: Convert to fraction form
    7,867.25/11,802.90 = 2,320.37/x
  3. Step 3: Cross multiply
    7,867.25x = 11,802.90 × 2,320.37
  4. Step 4: Simplify right side
    7,867.25x = 27,387,095.07
  5. Step 5: Solve for x
    x = 27,387,095.07/7,867.25
  6. Step 6: Final answer
    x = 3,481.15

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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.