Home / 7,731.47-11,599.37-2,540.99

Finding the Fourth Proportional to 7,731.47, 11,599.37 and 2,540.99

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Solution

The fourth proportional to 7,731.47, 11,599.37 and 2,540.99 is: 3,812.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731.47 : 11,599.37 = 2,540.99 : x
  2. Step 2: Convert to fraction form
    7,731.47/11,599.37 = 2,540.99/x
  3. Step 3: Cross multiply
    7,731.47x = 11,599.37 × 2,540.99
  4. Step 4: Simplify right side
    7,731.47x = 29,473,812.47
  5. Step 5: Solve for x
    x = 29,473,812.47/7,731.47
  6. Step 6: Final answer
    x = 3,812.19

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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.