Home / 4,319.75-6,478.97-1,199.43

Finding the Fourth Proportional to 4,319.75, 6,478.97 and 1,199.43

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Solution

The fourth proportional to 4,319.75, 6,478.97 and 1,199.43 is: 1,798.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,319.75 : 6,478.97 = 1,199.43 : x
  2. Step 2: Convert to fraction form
    4,319.75/6,478.97 = 1,199.43/x
  3. Step 3: Cross multiply
    4,319.75x = 6,478.97 × 1,199.43
  4. Step 4: Simplify right side
    4,319.75x = 7,771,064.99
  5. Step 5: Solve for x
    x = 7,771,064.99/4,319.75
  6. Step 6: Final answer
    x = 1,798.96

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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.