Home / 5,357.21-7,392.53-2,999.03

Finding the Fourth Proportional to 5,357.21, 7,392.53 and 2,999.03

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Solution

The fourth proportional to 5,357.21, 7,392.53 and 2,999.03 is: 4,138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.21 : 7,392.53 = 2,999.03 : x
  2. Step 2: Convert to fraction form
    5,357.21/7,392.53 = 2,999.03/x
  3. Step 3: Cross multiply
    5,357.21x = 7,392.53 × 2,999.03
  4. Step 4: Simplify right side
    5,357.21x = 22,170,389.78
  5. Step 5: Solve for x
    x = 22,170,389.78/5,357.21
  6. Step 6: Final answer
    x = 4,138.42

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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.