Home / 5,072.64-7,610.24-4,499.20

Finding the Fourth Proportional to 5,072.64, 7,610.24 and 4,499.20

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Solution

The fourth proportional to 5,072.64, 7,610.24 and 4,499.20 is: 6,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,072.64 : 7,610.24 = 4,499.20 : x
  2. Step 2: Convert to fraction form
    5,072.64/7,610.24 = 4,499.20/x
  3. Step 3: Cross multiply
    5,072.64x = 7,610.24 × 4,499.20
  4. Step 4: Simplify right side
    5,072.64x = 34,239,991.81
  5. Step 5: Solve for x
    x = 34,239,991.81/5,072.64
  6. Step 6: Final answer
    x = 6,749.94

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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.