Home / 7,119-10,677.96-3,222.36

Finding the Fourth Proportional to 7,119, 10,677.96 and 3,222.36

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Solution

The fourth proportional to 7,119, 10,677.96 and 3,222.36 is: 4,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119 : 10,677.96 = 3,222.36 : x
  2. Step 2: Convert to fraction form
    7,119/10,677.96 = 3,222.36/x
  3. Step 3: Cross multiply
    7,119x = 10,677.96 × 3,222.36
  4. Step 4: Simplify right side
    7,119x = 34,408,231.19
  5. Step 5: Solve for x
    x = 34,408,231.19/7,119
  6. Step 6: Final answer
    x = 4,833.30

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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.