Home / 4,069.60-5,606.40-3,356.80

Finding the Fourth Proportional to 4,069.60, 5,606.40 and 3,356.80

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Solution

The fourth proportional to 4,069.60, 5,606.40 and 3,356.80 is: 4,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.60 : 5,606.40 = 3,356.80 : x
  2. Step 2: Convert to fraction form
    4,069.60/5,606.40 = 3,356.80/x
  3. Step 3: Cross multiply
    4,069.60x = 5,606.40 × 3,356.80
  4. Step 4: Simplify right side
    4,069.60x = 18,819,563.52
  5. Step 5: Solve for x
    x = 18,819,563.52/4,069.60
  6. Step 6: Final answer
    x = 4,624.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.