Home / 3,558.09-5,360.86-3,211.82

Finding the Fourth Proportional to 3,558.09, 5,360.86 and 3,211.82

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Solution

The fourth proportional to 3,558.09, 5,360.86 and 3,211.82 is: 4,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.09 : 5,360.86 = 3,211.82 : x
  2. Step 2: Convert to fraction form
    3,558.09/5,360.86 = 3,211.82/x
  3. Step 3: Cross multiply
    3,558.09x = 5,360.86 × 3,211.82
  4. Step 4: Simplify right side
    3,558.09x = 17,218,082.53
  5. Step 5: Solve for x
    x = 17,218,082.53/3,558.09
  6. Step 6: Final answer
    x = 4,839.14

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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.