Home / 4,321.80-6,477.26-1,853.73

Finding the Fourth Proportional to 4,321.80, 6,477.26 and 1,853.73

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Solution

The fourth proportional to 4,321.80, 6,477.26 and 1,853.73 is: 2,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.80 : 6,477.26 = 1,853.73 : x
  2. Step 2: Convert to fraction form
    4,321.80/6,477.26 = 1,853.73/x
  3. Step 3: Cross multiply
    4,321.80x = 6,477.26 × 1,853.73
  4. Step 4: Simplify right side
    4,321.80x = 12,007,081.91
  5. Step 5: Solve for x
    x = 12,007,081.91/4,321.80
  6. Step 6: Final answer
    x = 2,778.26

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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.