Home / 4,783.43-7,172.37-1,858.32

Finding the Fourth Proportional to 4,783.43, 7,172.37 and 1,858.32

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Solution

The fourth proportional to 4,783.43, 7,172.37 and 1,858.32 is: 2,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,783.43 : 7,172.37 = 1,858.32 : x
  2. Step 2: Convert to fraction form
    4,783.43/7,172.37 = 1,858.32/x
  3. Step 3: Cross multiply
    4,783.43x = 7,172.37 × 1,858.32
  4. Step 4: Simplify right side
    4,783.43x = 13,328,558.62
  5. Step 5: Solve for x
    x = 13,328,558.62/4,783.43
  6. Step 6: Final answer
    x = 2,786.40

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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.