Home / 4,129.45-6,190.43-1,530.56

Finding the Fourth Proportional to 4,129.45, 6,190.43 and 1,530.56

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Solution

The fourth proportional to 4,129.45, 6,190.43 and 1,530.56 is: 2,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.45 : 6,190.43 = 1,530.56 : x
  2. Step 2: Convert to fraction form
    4,129.45/6,190.43 = 1,530.56/x
  3. Step 3: Cross multiply
    4,129.45x = 6,190.43 × 1,530.56
  4. Step 4: Simplify right side
    4,129.45x = 9,474,832.36
  5. Step 5: Solve for x
    x = 9,474,832.36/4,129.45
  6. Step 6: Final answer
    x = 2,294.46

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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.