Home / 4,289.63-6,434.44-1,692.56

Finding the Fourth Proportional to 4,289.63, 6,434.44 and 1,692.56

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Solution

The fourth proportional to 4,289.63, 6,434.44 and 1,692.56 is: 2,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.63 : 6,434.44 = 1,692.56 : x
  2. Step 2: Convert to fraction form
    4,289.63/6,434.44 = 1,692.56/x
  3. Step 3: Cross multiply
    4,289.63x = 6,434.44 × 1,692.56
  4. Step 4: Simplify right side
    4,289.63x = 10,890,687.62
  5. Step 5: Solve for x
    x = 10,890,687.62/4,289.63
  6. Step 6: Final answer
    x = 2,538.84

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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.