Home / 5,260.23-7,900.85-3,289.36

Finding the Fourth Proportional to 5,260.23, 7,900.85 and 3,289.36

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Solution

The fourth proportional to 5,260.23, 7,900.85 and 3,289.36 is: 4,940.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.23 : 7,900.85 = 3,289.36 : x
  2. Step 2: Convert to fraction form
    5,260.23/7,900.85 = 3,289.36/x
  3. Step 3: Cross multiply
    5,260.23x = 7,900.85 × 3,289.36
  4. Step 4: Simplify right side
    5,260.23x = 25,988,739.96
  5. Step 5: Solve for x
    x = 25,988,739.96/5,260.23
  6. Step 6: Final answer
    x = 4,940.61

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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.