Home / 8,106.26-11,184.06-6,399.35

Finding the Fourth Proportional to 8,106.26, 11,184.06 and 6,399.35

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Solution

The fourth proportional to 8,106.26, 11,184.06 and 6,399.35 is: 8,829.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.26 : 11,184.06 = 6,399.35 : x
  2. Step 2: Convert to fraction form
    8,106.26/11,184.06 = 6,399.35/x
  3. Step 3: Cross multiply
    8,106.26x = 11,184.06 × 6,399.35
  4. Step 4: Simplify right side
    8,106.26x = 71,570,766.32
  5. Step 5: Solve for x
    x = 71,570,766.32/8,106.26
  6. Step 6: Final answer
    x = 8,829.07

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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.