Home / 5,157.03-7,729.20-2,379.96

Finding the Fourth Proportional to 5,157.03, 7,729.20 and 2,379.96

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Solution

The fourth proportional to 5,157.03, 7,729.20 and 2,379.96 is: 3,567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157.03 : 7,729.20 = 2,379.96 : x
  2. Step 2: Convert to fraction form
    5,157.03/7,729.20 = 2,379.96/x
  3. Step 3: Cross multiply
    5,157.03x = 7,729.20 × 2,379.96
  4. Step 4: Simplify right side
    5,157.03x = 18,395,186.83
  5. Step 5: Solve for x
    x = 18,395,186.83/5,157.03
  6. Step 6: Final answer
    x = 3,567.01

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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.