Home / 4,336.88-6,478.96-2,764.37

Finding the Fourth Proportional to 4,336.88, 6,478.96 and 2,764.37

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Solution

The fourth proportional to 4,336.88, 6,478.96 and 2,764.37 is: 4,129.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,336.88 : 6,478.96 = 2,764.37 : x
  2. Step 2: Convert to fraction form
    4,336.88/6,478.96 = 2,764.37/x
  3. Step 3: Cross multiply
    4,336.88x = 6,478.96 × 2,764.37
  4. Step 4: Simplify right side
    4,336.88x = 17,910,242.66
  5. Step 5: Solve for x
    x = 17,910,242.66/4,336.88
  6. Step 6: Final answer
    x = 4,129.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.