Home / 5,247.48-7,872.38-1,738.58

Finding the Fourth Proportional to 5,247.48, 7,872.38 and 1,738.58

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Solution

The fourth proportional to 5,247.48, 7,872.38 and 1,738.58 is: 2,608.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247.48 : 7,872.38 = 1,738.58 : x
  2. Step 2: Convert to fraction form
    5,247.48/7,872.38 = 1,738.58/x
  3. Step 3: Cross multiply
    5,247.48x = 7,872.38 × 1,738.58
  4. Step 4: Simplify right side
    5,247.48x = 13,686,714.37
  5. Step 5: Solve for x
    x = 13,686,714.37/5,247.48
  6. Step 6: Final answer
    x = 2,608.25

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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.