Home / 8,681.45-13,019.81-2,441.07

Finding the Fourth Proportional to 8,681.45, 13,019.81 and 2,441.07

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Solution

The fourth proportional to 8,681.45, 13,019.81 and 2,441.07 is: 3,660.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,681.45 : 13,019.81 = 2,441.07 : x
  2. Step 2: Convert to fraction form
    8,681.45/13,019.81 = 2,441.07/x
  3. Step 3: Cross multiply
    8,681.45x = 13,019.81 × 2,441.07
  4. Step 4: Simplify right side
    8,681.45x = 31,782,255.39
  5. Step 5: Solve for x
    x = 31,782,255.39/8,681.45
  6. Step 6: Final answer
    x = 3,660.94

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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.