Home / 7,456.52-11,181.72-2,776.84

Finding the Fourth Proportional to 7,456.52, 11,181.72 and 2,776.84

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Solution

The fourth proportional to 7,456.52, 11,181.72 and 2,776.84 is: 4,164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,456.52 : 11,181.72 = 2,776.84 : x
  2. Step 2: Convert to fraction form
    7,456.52/11,181.72 = 2,776.84/x
  3. Step 3: Cross multiply
    7,456.52x = 11,181.72 × 2,776.84
  4. Step 4: Simplify right side
    7,456.52x = 31,049,847.36
  5. Step 5: Solve for x
    x = 31,049,847.36/7,456.52
  6. Step 6: Final answer
    x = 4,164.12

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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.