Home / 4,609.21-6,912.29-1,488.48

Finding the Fourth Proportional to 4,609.21, 6,912.29 and 1,488.48

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Solution

The fourth proportional to 4,609.21, 6,912.29 and 1,488.48 is: 2,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,609.21 : 6,912.29 = 1,488.48 : x
  2. Step 2: Convert to fraction form
    4,609.21/6,912.29 = 1,488.48/x
  3. Step 3: Cross multiply
    4,609.21x = 6,912.29 × 1,488.48
  4. Step 4: Simplify right side
    4,609.21x = 10,288,770.86
  5. Step 5: Solve for x
    x = 10,288,770.86/4,609.21
  6. Step 6: Final answer
    x = 2,232.22

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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.