Home / 6,624.32-9,141.73-3,640.23

Finding the Fourth Proportional to 6,624.32, 9,141.73 and 3,640.23

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Solution

The fourth proportional to 6,624.32, 9,141.73 and 3,640.23 is: 5,023.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,624.32 : 9,141.73 = 3,640.23 : x
  2. Step 2: Convert to fraction form
    6,624.32/9,141.73 = 3,640.23/x
  3. Step 3: Cross multiply
    6,624.32x = 9,141.73 × 3,640.23
  4. Step 4: Simplify right side
    6,624.32x = 33,277,999.80
  5. Step 5: Solve for x
    x = 33,277,999.80/6,624.32
  6. Step 6: Final answer
    x = 5,023.61

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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.