Home / 7,767.84-11,648.90-2,836.02

Finding the Fourth Proportional to 7,767.84, 11,648.90 and 2,836.02

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Solution

The fourth proportional to 7,767.84, 11,648.90 and 2,836.02 is: 4,252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.84 : 11,648.90 = 2,836.02 : x
  2. Step 2: Convert to fraction form
    7,767.84/11,648.90 = 2,836.02/x
  3. Step 3: Cross multiply
    7,767.84x = 11,648.90 × 2,836.02
  4. Step 4: Simplify right side
    7,767.84x = 33,036,513.38
  5. Step 5: Solve for x
    x = 33,036,513.38/7,767.84
  6. Step 6: Final answer
    x = 4,252.99

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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.