Home / 4,039.23-5,571.48-2,918.34

Finding the Fourth Proportional to 4,039.23, 5,571.48 and 2,918.34

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Solution

The fourth proportional to 4,039.23, 5,571.48 and 2,918.34 is: 4,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.23 : 5,571.48 = 2,918.34 : x
  2. Step 2: Convert to fraction form
    4,039.23/5,571.48 = 2,918.34/x
  3. Step 3: Cross multiply
    4,039.23x = 5,571.48 × 2,918.34
  4. Step 4: Simplify right side
    4,039.23x = 16,259,472.94
  5. Step 5: Solve for x
    x = 16,259,472.94/4,039.23
  6. Step 6: Final answer
    x = 4,025.39

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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.