Home / 6,447.75-9,667.86-2,004.21

Finding the Fourth Proportional to 6,447.75, 9,667.86 and 2,004.21

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Solution

The fourth proportional to 6,447.75, 9,667.86 and 2,004.21 is: 3,005.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.75 : 9,667.86 = 2,004.21 : x
  2. Step 2: Convert to fraction form
    6,447.75/9,667.86 = 2,004.21/x
  3. Step 3: Cross multiply
    6,447.75x = 9,667.86 × 2,004.21
  4. Step 4: Simplify right side
    6,447.75x = 19,376,421.69
  5. Step 5: Solve for x
    x = 19,376,421.69/6,447.75
  6. Step 6: Final answer
    x = 3,005.14

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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.