Home / 4,299.90-6,450.86-1,338.19

Finding the Fourth Proportional to 4,299.90, 6,450.86 and 1,338.19

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Solution

The fourth proportional to 4,299.90, 6,450.86 and 1,338.19 is: 2,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,299.90 : 6,450.86 = 1,338.19 : x
  2. Step 2: Convert to fraction form
    4,299.90/6,450.86 = 1,338.19/x
  3. Step 3: Cross multiply
    4,299.90x = 6,450.86 × 1,338.19
  4. Step 4: Simplify right side
    4,299.90x = 8,632,476.34
  5. Step 5: Solve for x
    x = 8,632,476.34/4,299.90
  6. Step 6: Final answer
    x = 2,007.60

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1.5x scale

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.