Home / 3,946.14-5,456.30-3,883.77

Finding the Fourth Proportional to 3,946.14, 5,456.30 and 3,883.77

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Solution

The fourth proportional to 3,946.14, 5,456.30 and 3,883.77 is: 5,370.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.14 : 5,456.30 = 3,883.77 : x
  2. Step 2: Convert to fraction form
    3,946.14/5,456.30 = 3,883.77/x
  3. Step 3: Cross multiply
    3,946.14x = 5,456.30 × 3,883.77
  4. Step 4: Simplify right side
    3,946.14x = 21,190,994.83
  5. Step 5: Solve for x
    x = 21,190,994.83/3,946.14
  6. Step 6: Final answer
    x = 5,370.06

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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.