Home / 6,209.96-8,563.84-4,081.72

Finding the Fourth Proportional to 6,209.96, 8,563.84 and 4,081.72

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Solution

The fourth proportional to 6,209.96, 8,563.84 and 4,081.72 is: 5,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.96 : 8,563.84 = 4,081.72 : x
  2. Step 2: Convert to fraction form
    6,209.96/8,563.84 = 4,081.72/x
  3. Step 3: Cross multiply
    6,209.96x = 8,563.84 × 4,081.72
  4. Step 4: Simplify right side
    6,209.96x = 34,955,197.00
  5. Step 5: Solve for x
    x = 34,955,197.00/6,209.96
  6. Step 6: Final answer
    x = 5,628.89

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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.