Home / 5,558.60-7,670.87-3,040.72

Finding the Fourth Proportional to 5,558.60, 7,670.87 and 3,040.72

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Solution

The fourth proportional to 5,558.60, 7,670.87 and 3,040.72 is: 4,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.60 : 7,670.87 = 3,040.72 : x
  2. Step 2: Convert to fraction form
    5,558.60/7,670.87 = 3,040.72/x
  3. Step 3: Cross multiply
    5,558.60x = 7,670.87 × 3,040.72
  4. Step 4: Simplify right side
    5,558.60x = 23,324,914.27
  5. Step 5: Solve for x
    x = 23,324,914.27/5,558.60
  6. Step 6: Final answer
    x = 4,196.19

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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.