Home / 8,912.81-13,371.06-2,672.57

Finding the Fourth Proportional to 8,912.81, 13,371.06 and 2,672.57

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Solution

The fourth proportional to 8,912.81, 13,371.06 and 2,672.57 is: 4,009.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.81 : 13,371.06 = 2,672.57 : x
  2. Step 2: Convert to fraction form
    8,912.81/13,371.06 = 2,672.57/x
  3. Step 3: Cross multiply
    8,912.81x = 13,371.06 × 2,672.57
  4. Step 4: Simplify right side
    8,912.81x = 35,735,093.82
  5. Step 5: Solve for x
    x = 35,735,093.82/8,912.81
  6. Step 6: Final answer
    x = 4,009.41

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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.