Home / 4,828.23-7,242.35-3,107.79

Finding the Fourth Proportional to 4,828.23, 7,242.35 and 3,107.79

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Solution

The fourth proportional to 4,828.23, 7,242.35 and 3,107.79 is: 4,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.23 : 7,242.35 = 3,107.79 : x
  2. Step 2: Convert to fraction form
    4,828.23/7,242.35 = 3,107.79/x
  3. Step 3: Cross multiply
    4,828.23x = 7,242.35 × 3,107.79
  4. Step 4: Simplify right side
    4,828.23x = 22,507,687.37
  5. Step 5: Solve for x
    x = 22,507,687.37/4,828.23
  6. Step 6: Final answer
    x = 4,661.69

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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.