Home / 4,228.14-5,828.09-3,330.45

Finding the Fourth Proportional to 4,228.14, 5,828.09 and 3,330.45

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Solution

The fourth proportional to 4,228.14, 5,828.09 and 3,330.45 is: 4,590.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.14 : 5,828.09 = 3,330.45 : x
  2. Step 2: Convert to fraction form
    4,228.14/5,828.09 = 3,330.45/x
  3. Step 3: Cross multiply
    4,228.14x = 5,828.09 × 3,330.45
  4. Step 4: Simplify right side
    4,228.14x = 19,410,162.34
  5. Step 5: Solve for x
    x = 19,410,162.34/4,228.14
  6. Step 6: Final answer
    x = 4,590.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.