Home / 7,974.88-11,964.02-2,428.67

Finding the Fourth Proportional to 7,974.88, 11,964.02 and 2,428.67

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Solution

The fourth proportional to 7,974.88, 11,964.02 and 2,428.67 is: 3,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.88 : 11,964.02 = 2,428.67 : x
  2. Step 2: Convert to fraction form
    7,974.88/11,964.02 = 2,428.67/x
  3. Step 3: Cross multiply
    7,974.88x = 11,964.02 × 2,428.67
  4. Step 4: Simplify right side
    7,974.88x = 29,056,656.45
  5. Step 5: Solve for x
    x = 29,056,656.45/7,974.88
  6. Step 6: Final answer
    x = 3,643.52

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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.