Home / 6,086.90-8,399.92-3,398.32

Finding the Fourth Proportional to 6,086.90, 8,399.92 and 3,398.32

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Solution

The fourth proportional to 6,086.90, 8,399.92 and 3,398.32 is: 4,689.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.90 : 8,399.92 = 3,398.32 : x
  2. Step 2: Convert to fraction form
    6,086.90/8,399.92 = 3,398.32/x
  3. Step 3: Cross multiply
    6,086.90x = 8,399.92 × 3,398.32
  4. Step 4: Simplify right side
    6,086.90x = 28,545,586.64
  5. Step 5: Solve for x
    x = 28,545,586.64/6,086.90
  6. Step 6: Final answer
    x = 4,689.68

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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.