Home / 8,071.90-12,103.80-3,684.40

Finding the Fourth Proportional to 8,071.90, 12,103.80 and 3,684.40

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Solution

The fourth proportional to 8,071.90, 12,103.80 and 3,684.40 is: 5,524.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.90 : 12,103.80 = 3,684.40 : x
  2. Step 2: Convert to fraction form
    8,071.90/12,103.80 = 3,684.40/x
  3. Step 3: Cross multiply
    8,071.90x = 12,103.80 × 3,684.40
  4. Step 4: Simplify right side
    8,071.90x = 44,595,240.72
  5. Step 5: Solve for x
    x = 44,595,240.72/8,071.90
  6. Step 6: Final answer
    x = 5,524.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.