Home / 4,321.70-6,483.91-3,286.65

Finding the Fourth Proportional to 4,321.70, 6,483.91 and 3,286.65

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Solution

The fourth proportional to 4,321.70, 6,483.91 and 3,286.65 is: 4,931.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.70 : 6,483.91 = 3,286.65 : x
  2. Step 2: Convert to fraction form
    4,321.70/6,483.91 = 3,286.65/x
  3. Step 3: Cross multiply
    4,321.70x = 6,483.91 × 3,286.65
  4. Step 4: Simplify right side
    4,321.70x = 21,310,342.80
  5. Step 5: Solve for x
    x = 21,310,342.80/4,321.70
  6. Step 6: Final answer
    x = 4,931.01

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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.