Home / 7,983.90-11,974.50-2,435.94

Finding the Fourth Proportional to 7,983.90, 11,974.50 and 2,435.94

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Solution

The fourth proportional to 7,983.90, 11,974.50 and 2,435.94 is: 3,653.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.90 : 11,974.50 = 2,435.94 : x
  2. Step 2: Convert to fraction form
    7,983.90/11,974.50 = 2,435.94/x
  3. Step 3: Cross multiply
    7,983.90x = 11,974.50 × 2,435.94
  4. Step 4: Simplify right side
    7,983.90x = 29,169,163.53
  5. Step 5: Solve for x
    x = 29,169,163.53/7,983.90
  6. Step 6: Final answer
    x = 3,653.50

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1.5x scale

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.