Home / 7,720.44-11,583.45-3,037.87

Finding the Fourth Proportional to 7,720.44, 11,583.45 and 3,037.87

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Solution

The fourth proportional to 7,720.44, 11,583.45 and 3,037.87 is: 4,557.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720.44 : 11,583.45 = 3,037.87 : x
  2. Step 2: Convert to fraction form
    7,720.44/11,583.45 = 3,037.87/x
  3. Step 3: Cross multiply
    7,720.44x = 11,583.45 × 3,037.87
  4. Step 4: Simplify right side
    7,720.44x = 35,189,015.25
  5. Step 5: Solve for x
    x = 35,189,015.25/7,720.44
  6. Step 6: Final answer
    x = 4,557.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.