Home / 5,542.40-8,313.60-4,084.40

Finding the Fourth Proportional to 5,542.40, 8,313.60 and 4,084.40

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Solution

The fourth proportional to 5,542.40, 8,313.60 and 4,084.40 is: 6,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,542.40 : 8,313.60 = 4,084.40 : x
  2. Step 2: Convert to fraction form
    5,542.40/8,313.60 = 4,084.40/x
  3. Step 3: Cross multiply
    5,542.40x = 8,313.60 × 4,084.40
  4. Step 4: Simplify right side
    5,542.40x = 33,956,067.84
  5. Step 5: Solve for x
    x = 33,956,067.84/5,542.40
  6. Step 6: Final answer
    x = 6,126.60

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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.