Home / 5,319.33-7,340.69-3,081.31

Finding the Fourth Proportional to 5,319.33, 7,340.69 and 3,081.31

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Solution

The fourth proportional to 5,319.33, 7,340.69 and 3,081.31 is: 4,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.33 : 7,340.69 = 3,081.31 : x
  2. Step 2: Convert to fraction form
    5,319.33/7,340.69 = 3,081.31/x
  3. Step 3: Cross multiply
    5,319.33x = 7,340.69 × 3,081.31
  4. Step 4: Simplify right side
    5,319.33x = 22,618,941.50
  5. Step 5: Solve for x
    x = 22,618,941.50/5,319.33
  6. Step 6: Final answer
    x = 4,252.22

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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.