Home / 4,814.22-7,215.80-2,211.69

Finding the Fourth Proportional to 4,814.22, 7,215.80 and 2,211.69

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Solution

The fourth proportional to 4,814.22, 7,215.80 and 2,211.69 is: 3,314.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.22 : 7,215.80 = 2,211.69 : x
  2. Step 2: Convert to fraction form
    4,814.22/7,215.80 = 2,211.69/x
  3. Step 3: Cross multiply
    4,814.22x = 7,215.80 × 2,211.69
  4. Step 4: Simplify right side
    4,814.22x = 15,959,101.64
  5. Step 5: Solve for x
    x = 15,959,101.64/4,814.22
  6. Step 6: Final answer
    x = 3,314.99

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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.