Home / 4,890.20-6,744.10-3,840.44

Finding the Fourth Proportional to 4,890.20, 6,744.10 and 3,840.44

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Solution

The fourth proportional to 4,890.20, 6,744.10 and 3,840.44 is: 5,296.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.20 : 6,744.10 = 3,840.44 : x
  2. Step 2: Convert to fraction form
    4,890.20/6,744.10 = 3,840.44/x
  3. Step 3: Cross multiply
    4,890.20x = 6,744.10 × 3,840.44
  4. Step 4: Simplify right side
    4,890.20x = 25,900,311.40
  5. Step 5: Solve for x
    x = 25,900,311.40/4,890.20
  6. Step 6: Final answer
    x = 5,296.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.