Home / 4,715.43-7,072.29-1,792.77

Finding the Fourth Proportional to 4,715.43, 7,072.29 and 1,792.77

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Solution

The fourth proportional to 4,715.43, 7,072.29 and 1,792.77 is: 2,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.43 : 7,072.29 = 1,792.77 : x
  2. Step 2: Convert to fraction form
    4,715.43/7,072.29 = 1,792.77/x
  3. Step 3: Cross multiply
    4,715.43x = 7,072.29 × 1,792.77
  4. Step 4: Simplify right side
    4,715.43x = 12,678,989.34
  5. Step 5: Solve for x
    x = 12,678,989.34/4,715.43
  6. Step 6: Final answer
    x = 2,688.83

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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.