Home / 5,558.21-7,670.03-3,039.82

Finding the Fourth Proportional to 5,558.21, 7,670.03 and 3,039.82

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Solution

The fourth proportional to 5,558.21, 7,670.03 and 3,039.82 is: 4,194.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.21 : 7,670.03 = 3,039.82 : x
  2. Step 2: Convert to fraction form
    5,558.21/7,670.03 = 3,039.82/x
  3. Step 3: Cross multiply
    5,558.21x = 7,670.03 × 3,039.82
  4. Step 4: Simplify right side
    5,558.21x = 23,315,510.59
  5. Step 5: Solve for x
    x = 23,315,510.59/5,558.21
  6. Step 6: Final answer
    x = 4,194.79

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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.