Home / 6,360.83-8,782.20-3,974.43

Finding the Fourth Proportional to 6,360.83, 8,782.20 and 3,974.43

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Solution

The fourth proportional to 6,360.83, 8,782.20 and 3,974.43 is: 5,487.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.83 : 8,782.20 = 3,974.43 : x
  2. Step 2: Convert to fraction form
    6,360.83/8,782.20 = 3,974.43/x
  3. Step 3: Cross multiply
    6,360.83x = 8,782.20 × 3,974.43
  4. Step 4: Simplify right side
    6,360.83x = 34,904,239.15
  5. Step 5: Solve for x
    x = 34,904,239.15/6,360.83
  6. Step 6: Final answer
    x = 5,487.37

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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.