Home / 7,619.24-11,431.02-2,425.52

Finding the Fourth Proportional to 7,619.24, 11,431.02 and 2,425.52

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Solution

The fourth proportional to 7,619.24, 11,431.02 and 2,425.52 is: 3,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,619.24 : 11,431.02 = 2,425.52 : x
  2. Step 2: Convert to fraction form
    7,619.24/11,431.02 = 2,425.52/x
  3. Step 3: Cross multiply
    7,619.24x = 11,431.02 × 2,425.52
  4. Step 4: Simplify right side
    7,619.24x = 27,726,167.63
  5. Step 5: Solve for x
    x = 27,726,167.63/7,619.24
  6. Step 6: Final answer
    x = 3,638.97

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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.