Home / 5,806-8,705.04-1,909.84

Finding the Fourth Proportional to 5,806, 8,705.04 and 1,909.84

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Solution

The fourth proportional to 5,806, 8,705.04 and 1,909.84 is: 2,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,806 : 8,705.04 = 1,909.84 : x
  2. Step 2: Convert to fraction form
    5,806/8,705.04 = 1,909.84/x
  3. Step 3: Cross multiply
    5,806x = 8,705.04 × 1,909.84
  4. Step 4: Simplify right side
    5,806x = 16,625,233.59
  5. Step 5: Solve for x
    x = 16,625,233.59/5,806
  6. Step 6: Final answer
    x = 2,863.46

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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.