Home / 4,980.83-7,461.43-2,782.85

Finding the Fourth Proportional to 4,980.83, 7,461.43 and 2,782.85

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Solution

The fourth proportional to 4,980.83, 7,461.43 and 2,782.85 is: 4,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,980.83 : 7,461.43 = 2,782.85 : x
  2. Step 2: Convert to fraction form
    4,980.83/7,461.43 = 2,782.85/x
  3. Step 3: Cross multiply
    4,980.83x = 7,461.43 × 2,782.85
  4. Step 4: Simplify right side
    4,980.83x = 20,763,996.21
  5. Step 5: Solve for x
    x = 20,763,996.21/4,980.83
  6. Step 6: Final answer
    x = 4,168.79

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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.