Home / 5,442.90-8,168.46-3,985.83

Finding the Fourth Proportional to 5,442.90, 8,168.46 and 3,985.83

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Solution

The fourth proportional to 5,442.90, 8,168.46 and 3,985.83 is: 5,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442.90 : 8,168.46 = 3,985.83 : x
  2. Step 2: Convert to fraction form
    5,442.90/8,168.46 = 3,985.83/x
  3. Step 3: Cross multiply
    5,442.90x = 8,168.46 × 3,985.83
  4. Step 4: Simplify right side
    5,442.90x = 32,558,092.92
  5. Step 5: Solve for x
    x = 32,558,092.92/5,442.90
  6. Step 6: Final answer
    x = 5,981.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.