Home / 8,004.63-12,004.35-2,666.39

Finding the Fourth Proportional to 8,004.63, 12,004.35 and 2,666.39

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Solution

The fourth proportional to 8,004.63, 12,004.35 and 2,666.39 is: 3,998.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004.63 : 12,004.35 = 2,666.39 : x
  2. Step 2: Convert to fraction form
    8,004.63/12,004.35 = 2,666.39/x
  3. Step 3: Cross multiply
    8,004.63x = 12,004.35 × 2,666.39
  4. Step 4: Simplify right side
    8,004.63x = 32,008,218.77
  5. Step 5: Solve for x
    x = 32,008,218.77/8,004.63
  6. Step 6: Final answer
    x = 3,998.71

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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.