Home / 7,684.82-11,528.03-2,940.98

Finding the Fourth Proportional to 7,684.82, 11,528.03 and 2,940.98

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Solution

The fourth proportional to 7,684.82, 11,528.03 and 2,940.98 is: 4,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,684.82 : 11,528.03 = 2,940.98 : x
  2. Step 2: Convert to fraction form
    7,684.82/11,528.03 = 2,940.98/x
  3. Step 3: Cross multiply
    7,684.82x = 11,528.03 × 2,940.98
  4. Step 4: Simplify right side
    7,684.82x = 33,903,655.38
  5. Step 5: Solve for x
    x = 33,903,655.38/7,684.82
  6. Step 6: Final answer
    x = 4,411.77

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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.