Home / 6,249.10-8,619.75-4,922.26

Finding the Fourth Proportional to 6,249.10, 8,619.75 and 4,922.26

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Solution

The fourth proportional to 6,249.10, 8,619.75 and 4,922.26 is: 6,789.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.10 : 8,619.75 = 4,922.26 : x
  2. Step 2: Convert to fraction form
    6,249.10/8,619.75 = 4,922.26/x
  3. Step 3: Cross multiply
    6,249.10x = 8,619.75 × 4,922.26
  4. Step 4: Simplify right side
    6,249.10x = 42,428,650.64
  5. Step 5: Solve for x
    x = 42,428,650.64/6,249.10
  6. Step 6: Final answer
    x = 6,789.56

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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.