Home / 8,113.84-11,198.06-4,577.79

Finding the Fourth Proportional to 8,113.84, 11,198.06 and 4,577.79

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Solution

The fourth proportional to 8,113.84, 11,198.06 and 4,577.79 is: 6,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.84 : 11,198.06 = 4,577.79 : x
  2. Step 2: Convert to fraction form
    8,113.84/11,198.06 = 4,577.79/x
  3. Step 3: Cross multiply
    8,113.84x = 11,198.06 × 4,577.79
  4. Step 4: Simplify right side
    8,113.84x = 51,262,367.09
  5. Step 5: Solve for x
    x = 51,262,367.09/8,113.84
  6. Step 6: Final answer
    x = 6,317.89

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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.