Home / 7,321.05-10,973.70-3,163.03

Finding the Fourth Proportional to 7,321.05, 10,973.70 and 3,163.03

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Solution

The fourth proportional to 7,321.05, 10,973.70 and 3,163.03 is: 4,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.05 : 10,973.70 = 3,163.03 : x
  2. Step 2: Convert to fraction form
    7,321.05/10,973.70 = 3,163.03/x
  3. Step 3: Cross multiply
    7,321.05x = 10,973.70 × 3,163.03
  4. Step 4: Simplify right side
    7,321.05x = 34,710,114.88
  5. Step 5: Solve for x
    x = 34,710,114.88/7,321.05
  6. Step 6: Final answer
    x = 4,741.14

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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.