Home / 8,071.36-11,138.40-4,884.88

Finding the Fourth Proportional to 8,071.36, 11,138.40 and 4,884.88

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Solution

The fourth proportional to 8,071.36, 11,138.40 and 4,884.88 is: 6,741.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.36 : 11,138.40 = 4,884.88 : x
  2. Step 2: Convert to fraction form
    8,071.36/11,138.40 = 4,884.88/x
  3. Step 3: Cross multiply
    8,071.36x = 11,138.40 × 4,884.88
  4. Step 4: Simplify right side
    8,071.36x = 54,409,747.39
  5. Step 5: Solve for x
    x = 54,409,747.39/8,071.36
  6. Step 6: Final answer
    x = 6,741.09

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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.