Home / 7,692.23-11,538.35-2,145.59

Finding the Fourth Proportional to 7,692.23, 11,538.35 and 2,145.59

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Solution

The fourth proportional to 7,692.23, 11,538.35 and 2,145.59 is: 3,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.23 : 11,538.35 = 2,145.59 : x
  2. Step 2: Convert to fraction form
    7,692.23/11,538.35 = 2,145.59/x
  3. Step 3: Cross multiply
    7,692.23x = 11,538.35 × 2,145.59
  4. Step 4: Simplify right side
    7,692.23x = 24,756,499.96
  5. Step 5: Solve for x
    x = 24,756,499.96/7,692.23
  6. Step 6: Final answer
    x = 3,218.38

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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.