Home / 8,908.81-13,361.68-2,667.15

Finding the Fourth Proportional to 8,908.81, 13,361.68 and 2,667.15

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Solution

The fourth proportional to 8,908.81, 13,361.68 and 2,667.15 is: 4,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.81 : 13,361.68 = 2,667.15 : x
  2. Step 2: Convert to fraction form
    8,908.81/13,361.68 = 2,667.15/x
  3. Step 3: Cross multiply
    8,908.81x = 13,361.68 × 2,667.15
  4. Step 4: Simplify right side
    8,908.81x = 35,637,604.81
  5. Step 5: Solve for x
    x = 35,637,604.81/8,908.81
  6. Step 6: Final answer
    x = 4,000.27

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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.