Home / 4,289.70-5,921.50-3,629.94

Finding the Fourth Proportional to 4,289.70, 5,921.50 and 3,629.94

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Solution

The fourth proportional to 4,289.70, 5,921.50 and 3,629.94 is: 5,010.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.70 : 5,921.50 = 3,629.94 : x
  2. Step 2: Convert to fraction form
    4,289.70/5,921.50 = 3,629.94/x
  3. Step 3: Cross multiply
    4,289.70x = 5,921.50 × 3,629.94
  4. Step 4: Simplify right side
    4,289.70x = 21,494,689.71
  5. Step 5: Solve for x
    x = 21,494,689.71/4,289.70
  6. Step 6: Final answer
    x = 5,010.77

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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.