Home / 4,089.75-6,136.95-3,404.72

Finding the Fourth Proportional to 4,089.75, 6,136.95 and 3,404.72

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Solution

The fourth proportional to 4,089.75, 6,136.95 and 3,404.72 is: 5,109.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,089.75 : 6,136.95 = 3,404.72 : x
  2. Step 2: Convert to fraction form
    4,089.75/6,136.95 = 3,404.72/x
  3. Step 3: Cross multiply
    4,089.75x = 6,136.95 × 3,404.72
  4. Step 4: Simplify right side
    4,089.75x = 20,894,565.72
  5. Step 5: Solve for x
    x = 20,894,565.72/4,089.75
  6. Step 6: Final answer
    x = 5,109.01

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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.