Home / 4,419.70-6,629.04-2,771.21

Finding the Fourth Proportional to 4,419.70, 6,629.04 and 2,771.21

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Solution

The fourth proportional to 4,419.70, 6,629.04 and 2,771.21 is: 4,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.70 : 6,629.04 = 2,771.21 : x
  2. Step 2: Convert to fraction form
    4,419.70/6,629.04 = 2,771.21/x
  3. Step 3: Cross multiply
    4,419.70x = 6,629.04 × 2,771.21
  4. Step 4: Simplify right side
    4,419.70x = 18,370,478.51
  5. Step 5: Solve for x
    x = 18,370,478.51/4,419.70
  6. Step 6: Final answer
    x = 4,156.50

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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.