Home / 5,290.80-7,300.17-3,194.52

Finding the Fourth Proportional to 5,290.80, 7,300.17 and 3,194.52

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Solution

The fourth proportional to 5,290.80, 7,300.17 and 3,194.52 is: 4,407.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.80 : 7,300.17 = 3,194.52 : x
  2. Step 2: Convert to fraction form
    5,290.80/7,300.17 = 3,194.52/x
  3. Step 3: Cross multiply
    5,290.80x = 7,300.17 × 3,194.52
  4. Step 4: Simplify right side
    5,290.80x = 23,320,539.07
  5. Step 5: Solve for x
    x = 23,320,539.07/5,290.80
  6. Step 6: Final answer
    x = 4,407.75

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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.