Home / 7,751.02-11,625.29-2,127.38

Finding the Fourth Proportional to 7,751.02, 11,625.29 and 2,127.38

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Solution

The fourth proportional to 7,751.02, 11,625.29 and 2,127.38 is: 3,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.02 : 11,625.29 = 2,127.38 : x
  2. Step 2: Convert to fraction form
    7,751.02/11,625.29 = 2,127.38/x
  3. Step 3: Cross multiply
    7,751.02x = 11,625.29 × 2,127.38
  4. Step 4: Simplify right side
    7,751.02x = 24,731,340.68
  5. Step 5: Solve for x
    x = 24,731,340.68/7,751.02
  6. Step 6: Final answer
    x = 3,190.72

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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.