Home / 7,972.70-11,959.04-2,426.02

Finding the Fourth Proportional to 7,972.70, 11,959.04 and 2,426.02

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Solution

The fourth proportional to 7,972.70, 11,959.04 and 2,426.02 is: 3,639.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.70 : 11,959.04 = 2,426.02 : x
  2. Step 2: Convert to fraction form
    7,972.70/11,959.04 = 2,426.02/x
  3. Step 3: Cross multiply
    7,972.70x = 11,959.04 × 2,426.02
  4. Step 4: Simplify right side
    7,972.70x = 29,012,870.22
  5. Step 5: Solve for x
    x = 29,012,870.22/7,972.70
  6. Step 6: Final answer
    x = 3,639.03

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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.