Home / 4,245.39-6,370.74-1,782.27

Finding the Fourth Proportional to 4,245.39, 6,370.74 and 1,782.27

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Solution

The fourth proportional to 4,245.39, 6,370.74 and 1,782.27 is: 2,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.39 : 6,370.74 = 1,782.27 : x
  2. Step 2: Convert to fraction form
    4,245.39/6,370.74 = 1,782.27/x
  3. Step 3: Cross multiply
    4,245.39x = 6,370.74 × 1,782.27
  4. Step 4: Simplify right side
    4,245.39x = 11,354,378.78
  5. Step 5: Solve for x
    x = 11,354,378.78/4,245.39
  6. Step 6: Final answer
    x = 2,674.52

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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.