Home / 6,111.41-9,165.64-2,821.34

Finding the Fourth Proportional to 6,111.41, 9,165.64 and 2,821.34

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Solution

The fourth proportional to 6,111.41, 9,165.64 and 2,821.34 is: 4,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,111.41 : 9,165.64 = 2,821.34 : x
  2. Step 2: Convert to fraction form
    6,111.41/9,165.64 = 2,821.34/x
  3. Step 3: Cross multiply
    6,111.41x = 9,165.64 × 2,821.34
  4. Step 4: Simplify right side
    6,111.41x = 25,859,356.35
  5. Step 5: Solve for x
    x = 25,859,356.35/6,111.41
  6. Step 6: Final answer
    x = 4,231.33

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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.