Home / 4,783.08-7,172.19-2,150.19

Finding the Fourth Proportional to 4,783.08, 7,172.19 and 2,150.19

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Solution

The fourth proportional to 4,783.08, 7,172.19 and 2,150.19 is: 3,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.08 : 7,172.19 = 2,150.19 : x
  2. Step 2: Convert to fraction form
    4,783.08/7,172.19 = 2,150.19/x
  3. Step 3: Cross multiply
    4,783.08x = 7,172.19 × 2,150.19
  4. Step 4: Simplify right side
    4,783.08x = 15,421,571.22
  5. Step 5: Solve for x
    x = 15,421,571.22/4,783.08
  6. Step 6: Final answer
    x = 3,224.19

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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.