Home / 4,208.40-6,306.20-3,555.60

Finding the Fourth Proportional to 4,208.40, 6,306.20 and 3,555.60

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Solution

The fourth proportional to 4,208.40, 6,306.20 and 3,555.60 is: 5,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,208.40 : 6,306.20 = 3,555.60 : x
  2. Step 2: Convert to fraction form
    4,208.40/6,306.20 = 3,555.60/x
  3. Step 3: Cross multiply
    4,208.40x = 6,306.20 × 3,555.60
  4. Step 4: Simplify right side
    4,208.40x = 22,422,324.72
  5. Step 5: Solve for x
    x = 22,422,324.72/4,208.40
  6. Step 6: Final answer
    x = 5,327.99

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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.