Home / 8,284.08-11,436.27-6,391.41

Finding the Fourth Proportional to 8,284.08, 11,436.27 and 6,391.41

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Solution

The fourth proportional to 8,284.08, 11,436.27 and 6,391.41 is: 8,823.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.08 : 11,436.27 = 6,391.41 : x
  2. Step 2: Convert to fraction form
    8,284.08/11,436.27 = 6,391.41/x
  3. Step 3: Cross multiply
    8,284.08x = 11,436.27 × 6,391.41
  4. Step 4: Simplify right side
    8,284.08x = 73,093,858.48
  5. Step 5: Solve for x
    x = 73,093,858.48/8,284.08
  6. Step 6: Final answer
    x = 8,823.41

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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.