Home / 7,272.96-10,908.48-2,889.28

Finding the Fourth Proportional to 7,272.96, 10,908.48 and 2,889.28

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Solution

The fourth proportional to 7,272.96, 10,908.48 and 2,889.28 is: 4,333.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.96 : 10,908.48 = 2,889.28 : x
  2. Step 2: Convert to fraction form
    7,272.96/10,908.48 = 2,889.28/x
  3. Step 3: Cross multiply
    7,272.96x = 10,908.48 × 2,889.28
  4. Step 4: Simplify right side
    7,272.96x = 31,517,653.09
  5. Step 5: Solve for x
    x = 31,517,653.09/7,272.96
  6. Step 6: Final answer
    x = 4,333.54

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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.