Home / 7,866.25-11,801.40-2,319.37

Finding the Fourth Proportional to 7,866.25, 11,801.40 and 2,319.37

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Solution

The fourth proportional to 7,866.25, 11,801.40 and 2,319.37 is: 3,479.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866.25 : 11,801.40 = 2,319.37 : x
  2. Step 2: Convert to fraction form
    7,866.25/11,801.40 = 2,319.37/x
  3. Step 3: Cross multiply
    7,866.25x = 11,801.40 × 2,319.37
  4. Step 4: Simplify right side
    7,866.25x = 27,371,774.92
  5. Step 5: Solve for x
    x = 27,371,774.92/7,866.25
  6. Step 6: Final answer
    x = 3,479.65

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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.