Home / 6,918.48-10,378.36-2,757.48

Finding the Fourth Proportional to 6,918.48, 10,378.36 and 2,757.48

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Solution

The fourth proportional to 6,918.48, 10,378.36 and 2,757.48 is: 4,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.48 : 10,378.36 = 2,757.48 : x
  2. Step 2: Convert to fraction form
    6,918.48/10,378.36 = 2,757.48/x
  3. Step 3: Cross multiply
    6,918.48x = 10,378.36 × 2,757.48
  4. Step 4: Simplify right side
    6,918.48x = 28,618,120.13
  5. Step 5: Solve for x
    x = 28,618,120.13/6,918.48
  6. Step 6: Final answer
    x = 4,136.48

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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.