Home / 5,247.09-7,238.70-3,150

Finding the Fourth Proportional to 5,247.09, 7,238.70 and 3,150

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Solution

The fourth proportional to 5,247.09, 7,238.70 and 3,150 is: 4,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.09 : 7,238.70 = 3,150 : x
  2. Step 2: Convert to fraction form
    5,247.09/7,238.70 = 3,150/x
  3. Step 3: Cross multiply
    5,247.09x = 7,238.70 × 3,150
  4. Step 4: Simplify right side
    5,247.09x = 22,801,905
  5. Step 5: Solve for x
    x = 22,801,905/5,247.09
  6. Step 6: Final answer
    x = 4,345.63

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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.