Home / 6,375.06-8,795.97-3,720.78

Finding the Fourth Proportional to 6,375.06, 8,795.97 and 3,720.78

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Solution

The fourth proportional to 6,375.06, 8,795.97 and 3,720.78 is: 5,133.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,375.06 : 8,795.97 = 3,720.78 : x
  2. Step 2: Convert to fraction form
    6,375.06/8,795.97 = 3,720.78/x
  3. Step 3: Cross multiply
    6,375.06x = 8,795.97 × 3,720.78
  4. Step 4: Simplify right side
    6,375.06x = 32,727,869.26
  5. Step 5: Solve for x
    x = 32,727,869.26/6,375.06
  6. Step 6: Final answer
    x = 5,133.74

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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.