Home / 7,818.44-11,727.81-2,885.54

Finding the Fourth Proportional to 7,818.44, 11,727.81 and 2,885.54

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Solution

The fourth proportional to 7,818.44, 11,727.81 and 2,885.54 is: 4,328.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.44 : 11,727.81 = 2,885.54 : x
  2. Step 2: Convert to fraction form
    7,818.44/11,727.81 = 2,885.54/x
  3. Step 3: Cross multiply
    7,818.44x = 11,727.81 × 2,885.54
  4. Step 4: Simplify right side
    7,818.44x = 33,841,064.87
  5. Step 5: Solve for x
    x = 33,841,064.87/7,818.44
  6. Step 6: Final answer
    x = 4,328.37

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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.