Home / 5,438.51-8,156.53-2,662.42

Finding the Fourth Proportional to 5,438.51, 8,156.53 and 2,662.42

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Solution

The fourth proportional to 5,438.51, 8,156.53 and 2,662.42 is: 3,993.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.51 : 8,156.53 = 2,662.42 : x
  2. Step 2: Convert to fraction form
    5,438.51/8,156.53 = 2,662.42/x
  3. Step 3: Cross multiply
    5,438.51x = 8,156.53 × 2,662.42
  4. Step 4: Simplify right side
    5,438.51x = 21,716,108.60
  5. Step 5: Solve for x
    x = 21,716,108.60/5,438.51
  6. Step 6: Final answer
    x = 3,993.03

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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.