Home / 5,631.44-7,771.60-3,739.76

Finding the Fourth Proportional to 5,631.44, 7,771.60 and 3,739.76

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Solution

The fourth proportional to 5,631.44, 7,771.60 and 3,739.76 is: 5,161.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.44 : 7,771.60 = 3,739.76 : x
  2. Step 2: Convert to fraction form
    5,631.44/7,771.60 = 3,739.76/x
  3. Step 3: Cross multiply
    5,631.44x = 7,771.60 × 3,739.76
  4. Step 4: Simplify right side
    5,631.44x = 29,063,861.26
  5. Step 5: Solve for x
    x = 29,063,861.26/5,631.44
  6. Step 6: Final answer
    x = 5,161.00

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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.