Home / 9,106.36-13,660.35-3,911.02

Finding the Fourth Proportional to 9,106.36, 13,660.35 and 3,911.02

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Solution

The fourth proportional to 9,106.36, 13,660.35 and 3,911.02 is: 5,866.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.36 : 13,660.35 = 3,911.02 : x
  2. Step 2: Convert to fraction form
    9,106.36/13,660.35 = 3,911.02/x
  3. Step 3: Cross multiply
    9,106.36x = 13,660.35 × 3,911.02
  4. Step 4: Simplify right side
    9,106.36x = 53,425,902.06
  5. Step 5: Solve for x
    x = 53,425,902.06/9,106.36
  6. Step 6: Final answer
    x = 5,866.88

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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.