Home / 4,246.40-6,370.20-1,324.40

Finding the Fourth Proportional to 4,246.40, 6,370.20 and 1,324.40

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Solution

The fourth proportional to 4,246.40, 6,370.20 and 1,324.40 is: 1,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,246.40 : 6,370.20 = 1,324.40 : x
  2. Step 2: Convert to fraction form
    4,246.40/6,370.20 = 1,324.40/x
  3. Step 3: Cross multiply
    4,246.40x = 6,370.20 × 1,324.40
  4. Step 4: Simplify right side
    4,246.40x = 8,436,692.88
  5. Step 5: Solve for x
    x = 8,436,692.88/4,246.40
  6. Step 6: Final answer
    x = 1,986.79

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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.