Home / 5,906.90-8,150.32-4,490.20

Finding the Fourth Proportional to 5,906.90, 8,150.32 and 4,490.20

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Solution

The fourth proportional to 5,906.90, 8,150.32 and 4,490.20 is: 6,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,906.90 : 8,150.32 = 4,490.20 : x
  2. Step 2: Convert to fraction form
    5,906.90/8,150.32 = 4,490.20/x
  3. Step 3: Cross multiply
    5,906.90x = 8,150.32 × 4,490.20
  4. Step 4: Simplify right side
    5,906.90x = 36,596,566.86
  5. Step 5: Solve for x
    x = 36,596,566.86/5,906.90
  6. Step 6: Final answer
    x = 6,195.56

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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.