Home / 7,840.02-11,764.68-3,162.27

Finding the Fourth Proportional to 7,840.02, 11,764.68 and 3,162.27

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Solution

The fourth proportional to 7,840.02, 11,764.68 and 3,162.27 is: 4,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,840.02 : 11,764.68 = 3,162.27 : x
  2. Step 2: Convert to fraction form
    7,840.02/11,764.68 = 3,162.27/x
  3. Step 3: Cross multiply
    7,840.02x = 11,764.68 × 3,162.27
  4. Step 4: Simplify right side
    7,840.02x = 37,203,094.62
  5. Step 5: Solve for x
    x = 37,203,094.62/7,840.02
  6. Step 6: Final answer
    x = 4,745.28

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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.