Home / 5,815.74-8,723.81-2,306.41

Finding the Fourth Proportional to 5,815.74, 8,723.81 and 2,306.41

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Solution

The fourth proportional to 5,815.74, 8,723.81 and 2,306.41 is: 3,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.74 : 8,723.81 = 2,306.41 : x
  2. Step 2: Convert to fraction form
    5,815.74/8,723.81 = 2,306.41/x
  3. Step 3: Cross multiply
    5,815.74x = 8,723.81 × 2,306.41
  4. Step 4: Simplify right side
    5,815.74x = 20,120,682.62
  5. Step 5: Solve for x
    x = 20,120,682.62/5,815.74
  6. Step 6: Final answer
    x = 3,459.69

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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.