Home / 4,455.77-6,645.99-4,198.79

Finding the Fourth Proportional to 4,455.77, 6,645.99 and 4,198.79

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Solution

The fourth proportional to 4,455.77, 6,645.99 and 4,198.79 is: 6,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.77 : 6,645.99 = 4,198.79 : x
  2. Step 2: Convert to fraction form
    4,455.77/6,645.99 = 4,198.79/x
  3. Step 3: Cross multiply
    4,455.77x = 6,645.99 × 4,198.79
  4. Step 4: Simplify right side
    4,455.77x = 27,905,116.35
  5. Step 5: Solve for x
    x = 27,905,116.35/4,455.77
  6. Step 6: Final answer
    x = 6,262.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.