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Finding the Fourth Proportional to 6,747.69, 10,119.11 and 2,852.40

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Solution

The fourth proportional to 6,747.69, 10,119.11 and 2,852.40 is: 4,277.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.69 : 10,119.11 = 2,852.40 : x
  2. Step 2: Convert to fraction form
    6,747.69/10,119.11 = 2,852.40/x
  3. Step 3: Cross multiply
    6,747.69x = 10,119.11 × 2,852.40
  4. Step 4: Simplify right side
    6,747.69x = 28,863,749.36
  5. Step 5: Solve for x
    x = 28,863,749.36/6,747.69
  6. Step 6: Final answer
    x = 4,277.57

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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.