Home / 8,003.51-12,005.25-2,160.11

Finding the Fourth Proportional to 8,003.51, 12,005.25 and 2,160.11

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Solution

The fourth proportional to 8,003.51, 12,005.25 and 2,160.11 is: 3,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.51 : 12,005.25 = 2,160.11 : x
  2. Step 2: Convert to fraction form
    8,003.51/12,005.25 = 2,160.11/x
  3. Step 3: Cross multiply
    8,003.51x = 12,005.25 × 2,160.11
  4. Step 4: Simplify right side
    8,003.51x = 25,932,660.58
  5. Step 5: Solve for x
    x = 25,932,660.58/8,003.51
  6. Step 6: Final answer
    x = 3,240.16

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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.