Home / 4,286.81-6,440.99-2,727.50

Finding the Fourth Proportional to 4,286.81, 6,440.99 and 2,727.50

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Solution

The fourth proportional to 4,286.81, 6,440.99 and 2,727.50 is: 4,098.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.81 : 6,440.99 = 2,727.50 : x
  2. Step 2: Convert to fraction form
    4,286.81/6,440.99 = 2,727.50/x
  3. Step 3: Cross multiply
    4,286.81x = 6,440.99 × 2,727.50
  4. Step 4: Simplify right side
    4,286.81x = 17,567,823.15
  5. Step 5: Solve for x
    x = 17,567,823.15/4,286.81
  6. Step 6: Final answer
    x = 4,098.12

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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.