Home / 8,453.03-12,678.44-2,213.46

Finding the Fourth Proportional to 8,453.03, 12,678.44 and 2,213.46

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Solution

The fourth proportional to 8,453.03, 12,678.44 and 2,213.46 is: 3,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,453.03 : 12,678.44 = 2,213.46 : x
  2. Step 2: Convert to fraction form
    8,453.03/12,678.44 = 2,213.46/x
  3. Step 3: Cross multiply
    8,453.03x = 12,678.44 × 2,213.46
  4. Step 4: Simplify right side
    8,453.03x = 28,063,208.74
  5. Step 5: Solve for x
    x = 28,063,208.74/8,453.03
  6. Step 6: Final answer
    x = 3,319.90

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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.