Home / 8,063.40-12,089.70-3,678.60

Finding the Fourth Proportional to 8,063.40, 12,089.70 and 3,678.60

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Solution

The fourth proportional to 8,063.40, 12,089.70 and 3,678.60 is: 5,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,063.40 : 12,089.70 = 3,678.60 : x
  2. Step 2: Convert to fraction form
    8,063.40/12,089.70 = 3,678.60/x
  3. Step 3: Cross multiply
    8,063.40x = 12,089.70 × 3,678.60
  4. Step 4: Simplify right side
    8,063.40x = 44,473,170.42
  5. Step 5: Solve for x
    x = 44,473,170.42/8,063.40
  6. Step 6: Final answer
    x = 5,515.44

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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.