Home / 4,782.08-7,170.88-1,858.24

Finding the Fourth Proportional to 4,782.08, 7,170.88 and 1,858.24

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Solution

The fourth proportional to 4,782.08, 7,170.88 and 1,858.24 is: 2,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.08 : 7,170.88 = 1,858.24 : x
  2. Step 2: Convert to fraction form
    4,782.08/7,170.88 = 1,858.24/x
  3. Step 3: Cross multiply
    4,782.08x = 7,170.88 × 1,858.24
  4. Step 4: Simplify right side
    4,782.08x = 13,325,216.05
  5. Step 5: Solve for x
    x = 13,325,216.05/4,782.08
  6. Step 6: Final answer
    x = 2,786.49

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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.