Home / 4,246.71-6,369.94-1,126.72

Finding the Fourth Proportional to 4,246.71, 6,369.94 and 1,126.72

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Solution

The fourth proportional to 4,246.71, 6,369.94 and 1,126.72 is: 1,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.71 : 6,369.94 = 1,126.72 : x
  2. Step 2: Convert to fraction form
    4,246.71/6,369.94 = 1,126.72/x
  3. Step 3: Cross multiply
    4,246.71x = 6,369.94 × 1,126.72
  4. Step 4: Simplify right side
    4,246.71x = 7,177,138.80
  5. Step 5: Solve for x
    x = 7,177,138.80/4,246.71
  6. Step 6: Final answer
    x = 1,690.05

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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.