Home / 5,262.92-7,889.73-2,145.54

Finding the Fourth Proportional to 5,262.92, 7,889.73 and 2,145.54

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Solution

The fourth proportional to 5,262.92, 7,889.73 and 2,145.54 is: 3,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.92 : 7,889.73 = 2,145.54 : x
  2. Step 2: Convert to fraction form
    5,262.92/7,889.73 = 2,145.54/x
  3. Step 3: Cross multiply
    5,262.92x = 7,889.73 × 2,145.54
  4. Step 4: Simplify right side
    5,262.92x = 16,927,705.74
  5. Step 5: Solve for x
    x = 16,927,705.74/5,262.92
  6. Step 6: Final answer
    x = 3,216.41

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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.