Home / 6,778.06-10,172.56-3,661.58

Finding the Fourth Proportional to 6,778.06, 10,172.56 and 3,661.58

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Solution

The fourth proportional to 6,778.06, 10,172.56 and 3,661.58 is: 5,495.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.06 : 10,172.56 = 3,661.58 : x
  2. Step 2: Convert to fraction form
    6,778.06/10,172.56 = 3,661.58/x
  3. Step 3: Cross multiply
    6,778.06x = 10,172.56 × 3,661.58
  4. Step 4: Simplify right side
    6,778.06x = 37,247,642.24
  5. Step 5: Solve for x
    x = 37,247,642.24/6,778.06
  6. Step 6: Final answer
    x = 5,495.32

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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.