Home / 5,811.75-8,019.72-3,294.09

Finding the Fourth Proportional to 5,811.75, 8,019.72 and 3,294.09

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Solution

The fourth proportional to 5,811.75, 8,019.72 and 3,294.09 is: 4,545.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.75 : 8,019.72 = 3,294.09 : x
  2. Step 2: Convert to fraction form
    5,811.75/8,019.72 = 3,294.09/x
  3. Step 3: Cross multiply
    5,811.75x = 8,019.72 × 3,294.09
  4. Step 4: Simplify right side
    5,811.75x = 26,417,679.45
  5. Step 5: Solve for x
    x = 26,417,679.45/5,811.75
  6. Step 6: Final answer
    x = 4,545.56

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1.5x scale

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.