Home / 6,239.53-8,602.77-3,997.72

Finding the Fourth Proportional to 6,239.53, 8,602.77 and 3,997.72

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Solution

The fourth proportional to 6,239.53, 8,602.77 and 3,997.72 is: 5,511.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.53 : 8,602.77 = 3,997.72 : x
  2. Step 2: Convert to fraction form
    6,239.53/8,602.77 = 3,997.72/x
  3. Step 3: Cross multiply
    6,239.53x = 8,602.77 × 3,997.72
  4. Step 4: Simplify right side
    6,239.53x = 34,391,465.68
  5. Step 5: Solve for x
    x = 34,391,465.68/6,239.53
  6. Step 6: Final answer
    x = 5,511.87

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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.