Home / 4,287.20-6,427.44-1,692.08

Finding the Fourth Proportional to 4,287.20, 6,427.44 and 1,692.08

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Solution

The fourth proportional to 4,287.20, 6,427.44 and 1,692.08 is: 2,536.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,287.20 : 6,427.44 = 1,692.08 : x
  2. Step 2: Convert to fraction form
    4,287.20/6,427.44 = 1,692.08/x
  3. Step 3: Cross multiply
    4,287.20x = 6,427.44 × 1,692.08
  4. Step 4: Simplify right side
    4,287.20x = 10,875,742.68
  5. Step 5: Solve for x
    x = 10,875,742.68/4,287.20
  6. Step 6: Final answer
    x = 2,536.79

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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.