Home / 6,624.23-9,141.43-3,640.25

Finding the Fourth Proportional to 6,624.23, 9,141.43 and 3,640.25

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Solution

The fourth proportional to 6,624.23, 9,141.43 and 3,640.25 is: 5,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.23 : 9,141.43 = 3,640.25 : x
  2. Step 2: Convert to fraction form
    6,624.23/9,141.43 = 3,640.25/x
  3. Step 3: Cross multiply
    6,624.23x = 9,141.43 × 3,640.25
  4. Step 4: Simplify right side
    6,624.23x = 33,277,072.36
  5. Step 5: Solve for x
    x = 33,277,072.36/6,624.23
  6. Step 6: Final answer
    x = 5,023.54

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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.