Home / 7,610.31-11,415.45-2,867.36

Finding the Fourth Proportional to 7,610.31, 11,415.45 and 2,867.36

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Solution

The fourth proportional to 7,610.31, 11,415.45 and 2,867.36 is: 4,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.31 : 11,415.45 = 2,867.36 : x
  2. Step 2: Convert to fraction form
    7,610.31/11,415.45 = 2,867.36/x
  3. Step 3: Cross multiply
    7,610.31x = 11,415.45 × 2,867.36
  4. Step 4: Simplify right side
    7,610.31x = 32,732,147.63
  5. Step 5: Solve for x
    x = 32,732,147.63/7,610.31
  6. Step 6: Final answer
    x = 4,301.03

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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.