Home / 7,981.26-11,973.72-2,434.71

Finding the Fourth Proportional to 7,981.26, 11,973.72 and 2,434.71

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Solution

The fourth proportional to 7,981.26, 11,973.72 and 2,434.71 is: 3,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.26 : 11,973.72 = 2,434.71 : x
  2. Step 2: Convert to fraction form
    7,981.26/11,973.72 = 2,434.71/x
  3. Step 3: Cross multiply
    7,981.26x = 11,973.72 × 2,434.71
  4. Step 4: Simplify right side
    7,981.26x = 29,152,535.82
  5. Step 5: Solve for x
    x = 29,152,535.82/7,981.26
  6. Step 6: Final answer
    x = 3,652.62

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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.