Home / 4,198.40-6,291.20-3,545.60

Finding the Fourth Proportional to 4,198.40, 6,291.20 and 3,545.60

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Solution

The fourth proportional to 4,198.40, 6,291.20 and 3,545.60 is: 5,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.40 : 6,291.20 = 3,545.60 : x
  2. Step 2: Convert to fraction form
    4,198.40/6,291.20 = 3,545.60/x
  3. Step 3: Cross multiply
    4,198.40x = 6,291.20 × 3,545.60
  4. Step 4: Simplify right side
    4,198.40x = 22,306,078.72
  5. Step 5: Solve for x
    x = 22,306,078.72/4,198.40
  6. Step 6: Final answer
    x = 5,313.00

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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.