Home / 8,360.38-12,525.19-5,239.80

Finding the Fourth Proportional to 8,360.38, 12,525.19 and 5,239.80

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Solution

The fourth proportional to 8,360.38, 12,525.19 and 5,239.80 is: 7,850.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.38 : 12,525.19 = 5,239.80 : x
  2. Step 2: Convert to fraction form
    8,360.38/12,525.19 = 5,239.80/x
  3. Step 3: Cross multiply
    8,360.38x = 12,525.19 × 5,239.80
  4. Step 4: Simplify right side
    8,360.38x = 65,629,490.56
  5. Step 5: Solve for x
    x = 65,629,490.56/8,360.38
  6. Step 6: Final answer
    x = 7,850.06

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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.