Home / 6,279.21-9,455.55-4,647.27

Finding the Fourth Proportional to 6,279.21, 9,455.55 and 4,647.27

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Solution

The fourth proportional to 6,279.21, 9,455.55 and 4,647.27 is: 6,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.21 : 9,455.55 = 4,647.27 : x
  2. Step 2: Convert to fraction form
    6,279.21/9,455.55 = 4,647.27/x
  3. Step 3: Cross multiply
    6,279.21x = 9,455.55 × 4,647.27
  4. Step 4: Simplify right side
    6,279.21x = 43,942,493.85
  5. Step 5: Solve for x
    x = 43,942,493.85/6,279.21
  6. Step 6: Final answer
    x = 6,998.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.