Home / 6,148.80-9,212.40-3,837.60

Finding the Fourth Proportional to 6,148.80, 9,212.40 and 3,837.60

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Solution

The fourth proportional to 6,148.80, 9,212.40 and 3,837.60 is: 5,749.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.80 : 9,212.40 = 3,837.60 : x
  2. Step 2: Convert to fraction form
    6,148.80/9,212.40 = 3,837.60/x
  3. Step 3: Cross multiply
    6,148.80x = 9,212.40 × 3,837.60
  4. Step 4: Simplify right side
    6,148.80x = 35,353,506.24
  5. Step 5: Solve for x
    x = 35,353,506.24/6,148.80
  6. Step 6: Final answer
    x = 5,749.66

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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.