Home / 7,235.78-10,847.43-2,796.56

Finding the Fourth Proportional to 7,235.78, 10,847.43 and 2,796.56

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Solution

The fourth proportional to 7,235.78, 10,847.43 and 2,796.56 is: 4,192.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,235.78 : 10,847.43 = 2,796.56 : x
  2. Step 2: Convert to fraction form
    7,235.78/10,847.43 = 2,796.56/x
  3. Step 3: Cross multiply
    7,235.78x = 10,847.43 × 2,796.56
  4. Step 4: Simplify right side
    7,235.78x = 30,335,490.65
  5. Step 5: Solve for x
    x = 30,335,490.65/7,235.78
  6. Step 6: Final answer
    x = 4,192.43

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1.5x scale

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.