Home / 7,769.84-11,651.90-2,838.02

Finding the Fourth Proportional to 7,769.84, 11,651.90 and 2,838.02

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Solution

The fourth proportional to 7,769.84, 11,651.90 and 2,838.02 is: 4,255.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.84 : 11,651.90 = 2,838.02 : x
  2. Step 2: Convert to fraction form
    7,769.84/11,651.90 = 2,838.02/x
  3. Step 3: Cross multiply
    7,769.84x = 11,651.90 × 2,838.02
  4. Step 4: Simplify right side
    7,769.84x = 33,068,325.24
  5. Step 5: Solve for x
    x = 33,068,325.24/7,769.84
  6. Step 6: Final answer
    x = 4,255.99

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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.