Home / 4,814.11-6,639.69-3,136.04

Finding the Fourth Proportional to 4,814.11, 6,639.69 and 3,136.04

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Solution

The fourth proportional to 4,814.11, 6,639.69 and 3,136.04 is: 4,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.11 : 6,639.69 = 3,136.04 : x
  2. Step 2: Convert to fraction form
    4,814.11/6,639.69 = 3,136.04/x
  3. Step 3: Cross multiply
    4,814.11x = 6,639.69 × 3,136.04
  4. Step 4: Simplify right side
    4,814.11x = 20,822,333.43
  5. Step 5: Solve for x
    x = 20,822,333.43/4,814.11
  6. Step 6: Final answer
    x = 4,325.28

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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.