Home / 8,243.41-12,369.18-3,860.11

Finding the Fourth Proportional to 8,243.41, 12,369.18 and 3,860.11

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Solution

The fourth proportional to 8,243.41, 12,369.18 and 3,860.11 is: 5,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.41 : 12,369.18 = 3,860.11 : x
  2. Step 2: Convert to fraction form
    8,243.41/12,369.18 = 3,860.11/x
  3. Step 3: Cross multiply
    8,243.41x = 12,369.18 × 3,860.11
  4. Step 4: Simplify right side
    8,243.41x = 47,746,376.11
  5. Step 5: Solve for x
    x = 47,746,376.11/8,243.41
  6. Step 6: Final answer
    x = 5,792.07

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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.