Home / 5,412.03-8,118.09-1,714.28

Finding the Fourth Proportional to 5,412.03, 8,118.09 and 1,714.28

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Solution

The fourth proportional to 5,412.03, 8,118.09 and 1,714.28 is: 2,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.03 : 8,118.09 = 1,714.28 : x
  2. Step 2: Convert to fraction form
    5,412.03/8,118.09 = 1,714.28/x
  3. Step 3: Cross multiply
    5,412.03x = 8,118.09 × 1,714.28
  4. Step 4: Simplify right side
    5,412.03x = 13,916,638.73
  5. Step 5: Solve for x
    x = 13,916,638.73/5,412.03
  6. Step 6: Final answer
    x = 2,571.43

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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.