Home / 7,390.36-11,082.30-2,770.12

Finding the Fourth Proportional to 7,390.36, 11,082.30 and 2,770.12

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Solution

The fourth proportional to 7,390.36, 11,082.30 and 2,770.12 is: 4,153.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.36 : 11,082.30 = 2,770.12 : x
  2. Step 2: Convert to fraction form
    7,390.36/11,082.30 = 2,770.12/x
  3. Step 3: Cross multiply
    7,390.36x = 11,082.30 × 2,770.12
  4. Step 4: Simplify right side
    7,390.36x = 30,699,300.88
  5. Step 5: Solve for x
    x = 30,699,300.88/7,390.36
  6. Step 6: Final answer
    x = 4,153.97

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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.