Home / 7,741.28-11,608.94-3,790.10

Finding the Fourth Proportional to 7,741.28, 11,608.94 and 3,790.10

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Solution

The fourth proportional to 7,741.28, 11,608.94 and 3,790.10 is: 5,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,741.28 : 11,608.94 = 3,790.10 : x
  2. Step 2: Convert to fraction form
    7,741.28/11,608.94 = 3,790.10/x
  3. Step 3: Cross multiply
    7,741.28x = 11,608.94 × 3,790.10
  4. Step 4: Simplify right side
    7,741.28x = 43,999,043.49
  5. Step 5: Solve for x
    x = 43,999,043.49/7,741.28
  6. Step 6: Final answer
    x = 5,683.69

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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.