Home / 7,776.84-11,662.40-2,845.02

Finding the Fourth Proportional to 7,776.84, 11,662.40 and 2,845.02

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Solution

The fourth proportional to 7,776.84, 11,662.40 and 2,845.02 is: 4,266.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776.84 : 11,662.40 = 2,845.02 : x
  2. Step 2: Convert to fraction form
    7,776.84/11,662.40 = 2,845.02/x
  3. Step 3: Cross multiply
    7,776.84x = 11,662.40 × 2,845.02
  4. Step 4: Simplify right side
    7,776.84x = 33,179,761.25
  5. Step 5: Solve for x
    x = 33,179,761.25/7,776.84
  6. Step 6: Final answer
    x = 4,266.48

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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.