Home / 8,176.26-11,288.64-6,284.40

Finding the Fourth Proportional to 8,176.26, 11,288.64 and 6,284.40

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Solution

The fourth proportional to 8,176.26, 11,288.64 and 6,284.40 is: 8,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.26 : 11,288.64 = 6,284.40 : x
  2. Step 2: Convert to fraction form
    8,176.26/11,288.64 = 6,284.40/x
  3. Step 3: Cross multiply
    8,176.26x = 11,288.64 × 6,284.40
  4. Step 4: Simplify right side
    8,176.26x = 70,942,329.22
  5. Step 5: Solve for x
    x = 70,942,329.22/8,176.26
  6. Step 6: Final answer
    x = 8,676.62

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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.