Home / 7,672.11-11,508.41-2,125.51

Finding the Fourth Proportional to 7,672.11, 11,508.41 and 2,125.51

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Solution

The fourth proportional to 7,672.11, 11,508.41 and 2,125.51 is: 3,188.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,672.11 : 11,508.41 = 2,125.51 : x
  2. Step 2: Convert to fraction form
    7,672.11/11,508.41 = 2,125.51/x
  3. Step 3: Cross multiply
    7,672.11x = 11,508.41 × 2,125.51
  4. Step 4: Simplify right side
    7,672.11x = 24,461,217.08
  5. Step 5: Solve for x
    x = 24,461,217.08/7,672.11
  6. Step 6: Final answer
    x = 3,188.33

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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.