Home / 4,009.36-6,013.80-1,087.60

Finding the Fourth Proportional to 4,009.36, 6,013.80 and 1,087.60

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Solution

The fourth proportional to 4,009.36, 6,013.80 and 1,087.60 is: 1,631.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,009.36 : 6,013.80 = 1,087.60 : x
  2. Step 2: Convert to fraction form
    4,009.36/6,013.80 = 1,087.60/x
  3. Step 3: Cross multiply
    4,009.36x = 6,013.80 × 1,087.60
  4. Step 4: Simplify right side
    4,009.36x = 6,540,608.88
  5. Step 5: Solve for x
    x = 6,540,608.88/4,009.36
  6. Step 6: Final answer
    x = 1,631.33

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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.