Home / 8,685.07-13,027.50-2,111.27

Finding the Fourth Proportional to 8,685.07, 13,027.50 and 2,111.27

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Solution

The fourth proportional to 8,685.07, 13,027.50 and 2,111.27 is: 3,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.07 : 13,027.50 = 2,111.27 : x
  2. Step 2: Convert to fraction form
    8,685.07/13,027.50 = 2,111.27/x
  3. Step 3: Cross multiply
    8,685.07x = 13,027.50 × 2,111.27
  4. Step 4: Simplify right side
    8,685.07x = 27,504,504.79
  5. Step 5: Solve for x
    x = 27,504,504.79/8,685.07
  6. Step 6: Final answer
    x = 3,166.87

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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.