Home / 7,272.54-10,908.86-2,889.99

Finding the Fourth Proportional to 7,272.54, 10,908.86 and 2,889.99

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Solution

The fourth proportional to 7,272.54, 10,908.86 and 2,889.99 is: 4,335.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.54 : 10,908.86 = 2,889.99 : x
  2. Step 2: Convert to fraction form
    7,272.54/10,908.86 = 2,889.99/x
  3. Step 3: Cross multiply
    7,272.54x = 10,908.86 × 2,889.99
  4. Step 4: Simplify right side
    7,272.54x = 31,526,481.86
  5. Step 5: Solve for x
    x = 31,526,481.86/7,272.54
  6. Step 6: Final answer
    x = 4,335.00

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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.