Home / 7,966.51-11,949.76-2,419.83

Finding the Fourth Proportional to 7,966.51, 11,949.76 and 2,419.83

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Solution

The fourth proportional to 7,966.51, 11,949.76 and 2,419.83 is: 3,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.51 : 11,949.76 = 2,419.83 : x
  2. Step 2: Convert to fraction form
    7,966.51/11,949.76 = 2,419.83/x
  3. Step 3: Cross multiply
    7,966.51x = 11,949.76 × 2,419.83
  4. Step 4: Simplify right side
    7,966.51x = 28,916,381.69
  5. Step 5: Solve for x
    x = 28,916,381.69/7,966.51
  6. Step 6: Final answer
    x = 3,629.74

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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.