Home / 7,914.33-11,872.80-2,984.40

Finding the Fourth Proportional to 7,914.33, 11,872.80 and 2,984.40

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Solution

The fourth proportional to 7,914.33, 11,872.80 and 2,984.40 is: 4,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.33 : 11,872.80 = 2,984.40 : x
  2. Step 2: Convert to fraction form
    7,914.33/11,872.80 = 2,984.40/x
  3. Step 3: Cross multiply
    7,914.33x = 11,872.80 × 2,984.40
  4. Step 4: Simplify right side
    7,914.33x = 35,433,184.32
  5. Step 5: Solve for x
    x = 35,433,184.32/7,914.33
  6. Step 6: Final answer
    x = 4,477.09

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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.