Home / 5,692.31-7,855.35-3,174.45

Finding the Fourth Proportional to 5,692.31, 7,855.35 and 3,174.45

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Solution

The fourth proportional to 5,692.31, 7,855.35 and 3,174.45 is: 4,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.31 : 7,855.35 = 3,174.45 : x
  2. Step 2: Convert to fraction form
    5,692.31/7,855.35 = 3,174.45/x
  3. Step 3: Cross multiply
    5,692.31x = 7,855.35 × 3,174.45
  4. Step 4: Simplify right side
    5,692.31x = 24,936,415.81
  5. Step 5: Solve for x
    x = 24,936,415.81/5,692.31
  6. Step 6: Final answer
    x = 4,380.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.