Home / 4,801.70-6,626.36-2,811.86

Finding the Fourth Proportional to 4,801.70, 6,626.36 and 2,811.86

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Solution

The fourth proportional to 4,801.70, 6,626.36 and 2,811.86 is: 3,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801.70 : 6,626.36 = 2,811.86 : x
  2. Step 2: Convert to fraction form
    4,801.70/6,626.36 = 2,811.86/x
  3. Step 3: Cross multiply
    4,801.70x = 6,626.36 × 2,811.86
  4. Step 4: Simplify right side
    4,801.70x = 18,632,396.63
  5. Step 5: Solve for x
    x = 18,632,396.63/4,801.70
  6. Step 6: Final answer
    x = 3,880.37

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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.