Home / 5,250.65-7,245.86-3,912.26

Finding the Fourth Proportional to 5,250.65, 7,245.86 and 3,912.26

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Solution

The fourth proportional to 5,250.65, 7,245.86 and 3,912.26 is: 5,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250.65 : 7,245.86 = 3,912.26 : x
  2. Step 2: Convert to fraction form
    5,250.65/7,245.86 = 3,912.26/x
  3. Step 3: Cross multiply
    5,250.65x = 7,245.86 × 3,912.26
  4. Step 4: Simplify right side
    5,250.65x = 28,347,632.45
  5. Step 5: Solve for x
    x = 28,347,632.45/5,250.65
  6. Step 6: Final answer
    x = 5,398.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.