Home / 5,319.09-7,340.36-2,961.32

Finding the Fourth Proportional to 5,319.09, 7,340.36 and 2,961.32

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Solution

The fourth proportional to 5,319.09, 7,340.36 and 2,961.32 is: 4,086.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.09 : 7,340.36 = 2,961.32 : x
  2. Step 2: Convert to fraction form
    5,319.09/7,340.36 = 2,961.32/x
  3. Step 3: Cross multiply
    5,319.09x = 7,340.36 × 2,961.32
  4. Step 4: Simplify right side
    5,319.09x = 21,737,103.37
  5. Step 5: Solve for x
    x = 21,737,103.37/5,319.09
  6. Step 6: Final answer
    x = 4,086.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.