Home / 8,006.36-12,008.14-2,161.60

Finding the Fourth Proportional to 8,006.36, 12,008.14 and 2,161.60

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Solution

The fourth proportional to 8,006.36, 12,008.14 and 2,161.60 is: 3,242.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.36 : 12,008.14 = 2,161.60 : x
  2. Step 2: Convert to fraction form
    8,006.36/12,008.14 = 2,161.60/x
  3. Step 3: Cross multiply
    8,006.36x = 12,008.14 × 2,161.60
  4. Step 4: Simplify right side
    8,006.36x = 25,956,795.42
  5. Step 5: Solve for x
    x = 25,956,795.42/8,006.36
  6. Step 6: Final answer
    x = 3,242.02

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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.