Home / 5,942.90-8,200.07-3,290.18

Finding the Fourth Proportional to 5,942.90, 8,200.07 and 3,290.18

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Solution

The fourth proportional to 5,942.90, 8,200.07 and 3,290.18 is: 4,539.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,942.90 : 8,200.07 = 3,290.18 : x
  2. Step 2: Convert to fraction form
    5,942.90/8,200.07 = 3,290.18/x
  3. Step 3: Cross multiply
    5,942.90x = 8,200.07 × 3,290.18
  4. Step 4: Simplify right side
    5,942.90x = 26,979,706.31
  5. Step 5: Solve for x
    x = 26,979,706.31/5,942.90
  6. Step 6: Final answer
    x = 4,539.82

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1.5x scale

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.