Home / 7,563.76-11,338.72-3,181.53

Finding the Fourth Proportional to 7,563.76, 11,338.72 and 3,181.53

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Solution

The fourth proportional to 7,563.76, 11,338.72 and 3,181.53 is: 4,769.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.76 : 11,338.72 = 3,181.53 : x
  2. Step 2: Convert to fraction form
    7,563.76/11,338.72 = 3,181.53/x
  3. Step 3: Cross multiply
    7,563.76x = 11,338.72 × 3,181.53
  4. Step 4: Simplify right side
    7,563.76x = 36,074,477.84
  5. Step 5: Solve for x
    x = 36,074,477.84/7,563.76
  6. Step 6: Final answer
    x = 4,769.38

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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.