Home / 5,273.68-7,910.46-2,155.36

Finding the Fourth Proportional to 5,273.68, 7,910.46 and 2,155.36

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Solution

The fourth proportional to 5,273.68, 7,910.46 and 2,155.36 is: 3,233.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.68 : 7,910.46 = 2,155.36 : x
  2. Step 2: Convert to fraction form
    5,273.68/7,910.46 = 2,155.36/x
  3. Step 3: Cross multiply
    5,273.68x = 7,910.46 × 2,155.36
  4. Step 4: Simplify right side
    5,273.68x = 17,049,889.07
  5. Step 5: Solve for x
    x = 17,049,889.07/5,273.68
  6. Step 6: Final answer
    x = 3,233.02

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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.