Home / 7,674.11-11,511.41-2,127.51

Finding the Fourth Proportional to 7,674.11, 11,511.41 and 2,127.51

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Solution

The fourth proportional to 7,674.11, 11,511.41 and 2,127.51 is: 3,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,674.11 : 11,511.41 = 2,127.51 : x
  2. Step 2: Convert to fraction form
    7,674.11/11,511.41 = 2,127.51/x
  3. Step 3: Cross multiply
    7,674.11x = 11,511.41 × 2,127.51
  4. Step 4: Simplify right side
    7,674.11x = 24,490,639.89
  5. Step 5: Solve for x
    x = 24,490,639.89/7,674.11
  6. Step 6: Final answer
    x = 3,191.33

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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.