Home / 8,639.26-11,923.33-4,863.16

Finding the Fourth Proportional to 8,639.26, 11,923.33 and 4,863.16

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Solution

The fourth proportional to 8,639.26, 11,923.33 and 4,863.16 is: 6,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,639.26 : 11,923.33 = 4,863.16 : x
  2. Step 2: Convert to fraction form
    8,639.26/11,923.33 = 4,863.16/x
  3. Step 3: Cross multiply
    8,639.26x = 11,923.33 × 4,863.16
  4. Step 4: Simplify right side
    8,639.26x = 57,985,093.24
  5. Step 5: Solve for x
    x = 57,985,093.24/8,639.26
  6. Step 6: Final answer
    x = 6,711.81

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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.