Home / 7,179.03-10,768.74-1,984.89

Finding the Fourth Proportional to 7,179.03, 10,768.74 and 1,984.89

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Solution

The fourth proportional to 7,179.03, 10,768.74 and 1,984.89 is: 2,977.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.03 : 10,768.74 = 1,984.89 : x
  2. Step 2: Convert to fraction form
    7,179.03/10,768.74 = 1,984.89/x
  3. Step 3: Cross multiply
    7,179.03x = 10,768.74 × 1,984.89
  4. Step 4: Simplify right side
    7,179.03x = 21,374,764.34
  5. Step 5: Solve for x
    x = 21,374,764.34/7,179.03
  6. Step 6: Final answer
    x = 2,977.39

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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.