Home / 4,626.69-6,940.03-1,339.78

Finding the Fourth Proportional to 4,626.69, 6,940.03 and 1,339.78

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Solution

The fourth proportional to 4,626.69, 6,940.03 and 1,339.78 is: 2,009.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,626.69 : 6,940.03 = 1,339.78 : x
  2. Step 2: Convert to fraction form
    4,626.69/6,940.03 = 1,339.78/x
  3. Step 3: Cross multiply
    4,626.69x = 6,940.03 × 1,339.78
  4. Step 4: Simplify right side
    4,626.69x = 9,298,106.69
  5. Step 5: Solve for x
    x = 9,298,106.69/4,626.69
  6. Step 6: Final answer
    x = 2,009.67

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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.