Home / 6,873.36-9,485.24-3,889.14

Finding the Fourth Proportional to 6,873.36, 9,485.24 and 3,889.14

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Solution

The fourth proportional to 6,873.36, 9,485.24 and 3,889.14 is: 5,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.36 : 9,485.24 = 3,889.14 : x
  2. Step 2: Convert to fraction form
    6,873.36/9,485.24 = 3,889.14/x
  3. Step 3: Cross multiply
    6,873.36x = 9,485.24 × 3,889.14
  4. Step 4: Simplify right side
    6,873.36x = 36,889,393.15
  5. Step 5: Solve for x
    x = 36,889,393.15/6,873.36
  6. Step 6: Final answer
    x = 5,367.01

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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.