Home / 8,419.26-12,630.36-2,873.18

Finding the Fourth Proportional to 8,419.26, 12,630.36 and 2,873.18

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Solution

The fourth proportional to 8,419.26, 12,630.36 and 2,873.18 is: 4,310.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.26 : 12,630.36 = 2,873.18 : x
  2. Step 2: Convert to fraction form
    8,419.26/12,630.36 = 2,873.18/x
  3. Step 3: Cross multiply
    8,419.26x = 12,630.36 × 2,873.18
  4. Step 4: Simplify right side
    8,419.26x = 36,289,297.74
  5. Step 5: Solve for x
    x = 36,289,297.74/8,419.26
  6. Step 6: Final answer
    x = 4,310.27

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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.