Home / 5,438.65-8,144.12-3,584.14

Finding the Fourth Proportional to 5,438.65, 8,144.12 and 3,584.14

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Solution

The fourth proportional to 5,438.65, 8,144.12 and 3,584.14 is: 5,367.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.65 : 8,144.12 = 3,584.14 : x
  2. Step 2: Convert to fraction form
    5,438.65/8,144.12 = 3,584.14/x
  3. Step 3: Cross multiply
    5,438.65x = 8,144.12 × 3,584.14
  4. Step 4: Simplify right side
    5,438.65x = 29,189,666.26
  5. Step 5: Solve for x
    x = 29,189,666.26/5,438.65
  6. Step 6: Final answer
    x = 5,367.08

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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.