Home / 7,255.44-10,887.84-2,872.08

Finding the Fourth Proportional to 7,255.44, 10,887.84 and 2,872.08

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Solution

The fourth proportional to 7,255.44, 10,887.84 and 2,872.08 is: 4,309.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.44 : 10,887.84 = 2,872.08 : x
  2. Step 2: Convert to fraction form
    7,255.44/10,887.84 = 2,872.08/x
  3. Step 3: Cross multiply
    7,255.44x = 10,887.84 × 2,872.08
  4. Step 4: Simplify right side
    7,255.44x = 31,270,747.51
  5. Step 5: Solve for x
    x = 31,270,747.51/7,255.44
  6. Step 6: Final answer
    x = 4,309.97

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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.