Home / 5,090.29-7,634.95-1,968.41

Finding the Fourth Proportional to 5,090.29, 7,634.95 and 1,968.41

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Solution

The fourth proportional to 5,090.29, 7,634.95 and 1,968.41 is: 2,952.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.29 : 7,634.95 = 1,968.41 : x
  2. Step 2: Convert to fraction form
    5,090.29/7,634.95 = 1,968.41/x
  3. Step 3: Cross multiply
    5,090.29x = 7,634.95 × 1,968.41
  4. Step 4: Simplify right side
    5,090.29x = 15,028,711.93
  5. Step 5: Solve for x
    x = 15,028,711.93/5,090.29
  6. Step 6: Final answer
    x = 2,952.43

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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.