Home / 4,814.79-7,212.33-3,330.33

Finding the Fourth Proportional to 4,814.79, 7,212.33 and 3,330.33

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Solution

The fourth proportional to 4,814.79, 7,212.33 and 3,330.33 is: 4,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.79 : 7,212.33 = 3,330.33 : x
  2. Step 2: Convert to fraction form
    4,814.79/7,212.33 = 3,330.33/x
  3. Step 3: Cross multiply
    4,814.79x = 7,212.33 × 3,330.33
  4. Step 4: Simplify right side
    4,814.79x = 24,019,438.97
  5. Step 5: Solve for x
    x = 24,019,438.97/4,814.79
  6. Step 6: Final answer
    x = 4,988.68

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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.