Home / 4,246.40-6,369.89-1,778.73

Finding the Fourth Proportional to 4,246.40, 6,369.89 and 1,778.73

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Solution

The fourth proportional to 4,246.40, 6,369.89 and 1,778.73 is: 2,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.40 : 6,369.89 = 1,778.73 : x
  2. Step 2: Convert to fraction form
    4,246.40/6,369.89 = 1,778.73/x
  3. Step 3: Cross multiply
    4,246.40x = 6,369.89 × 1,778.73
  4. Step 4: Simplify right side
    4,246.40x = 11,330,305.55
  5. Step 5: Solve for x
    x = 11,330,305.55/4,246.40
  6. Step 6: Final answer
    x = 2,668.22

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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.