Home / 6,112.36-8,435.10-3,317.86

Finding the Fourth Proportional to 6,112.36, 8,435.10 and 3,317.86

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Solution

The fourth proportional to 6,112.36, 8,435.10 and 3,317.86 is: 4,578.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,112.36 : 8,435.10 = 3,317.86 : x
  2. Step 2: Convert to fraction form
    6,112.36/8,435.10 = 3,317.86/x
  3. Step 3: Cross multiply
    6,112.36x = 8,435.10 × 3,317.86
  4. Step 4: Simplify right side
    6,112.36x = 27,986,480.89
  5. Step 5: Solve for x
    x = 27,986,480.89/6,112.36
  6. Step 6: Final answer
    x = 4,578.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.