Home / 7,969.02-11,953.56-2,126.52

Finding the Fourth Proportional to 7,969.02, 11,953.56 and 2,126.52

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Solution

The fourth proportional to 7,969.02, 11,953.56 and 2,126.52 is: 3,189.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.02 : 11,953.56 = 2,126.52 : x
  2. Step 2: Convert to fraction form
    7,969.02/11,953.56 = 2,126.52/x
  3. Step 3: Cross multiply
    7,969.02x = 11,953.56 × 2,126.52
  4. Step 4: Simplify right side
    7,969.02x = 25,419,484.41
  5. Step 5: Solve for x
    x = 25,419,484.41/7,969.02
  6. Step 6: Final answer
    x = 3,189.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.