Home / 7,981.70-11,972.10-2,434.94

Finding the Fourth Proportional to 7,981.70, 11,972.10 and 2,434.94

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Solution

The fourth proportional to 7,981.70, 11,972.10 and 2,434.94 is: 3,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.70 : 11,972.10 = 2,434.94 : x
  2. Step 2: Convert to fraction form
    7,981.70/11,972.10 = 2,434.94/x
  3. Step 3: Cross multiply
    7,981.70x = 11,972.10 × 2,434.94
  4. Step 4: Simplify right side
    7,981.70x = 29,151,345.17
  5. Step 5: Solve for x
    x = 29,151,345.17/7,981.70
  6. Step 6: Final answer
    x = 3,652.27

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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.