Home / 4,782.43-7,170.87-1,857.32

Finding the Fourth Proportional to 4,782.43, 7,170.87 and 1,857.32

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Solution

The fourth proportional to 4,782.43, 7,170.87 and 1,857.32 is: 2,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.43 : 7,170.87 = 1,857.32 : x
  2. Step 2: Convert to fraction form
    4,782.43/7,170.87 = 1,857.32/x
  3. Step 3: Cross multiply
    4,782.43x = 7,170.87 × 1,857.32
  4. Step 4: Simplify right side
    4,782.43x = 13,318,600.27
  5. Step 5: Solve for x
    x = 13,318,600.27/4,782.43
  6. Step 6: Final answer
    x = 2,784.90

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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.