Home / 4,134.16-6,189.90-3,130.60

Finding the Fourth Proportional to 4,134.16, 6,189.90 and 3,130.60

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Solution

The fourth proportional to 4,134.16, 6,189.90 and 3,130.60 is: 4,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,134.16 : 6,189.90 = 3,130.60 : x
  2. Step 2: Convert to fraction form
    4,134.16/6,189.90 = 3,130.60/x
  3. Step 3: Cross multiply
    4,134.16x = 6,189.90 × 3,130.60
  4. Step 4: Simplify right side
    4,134.16x = 19,378,100.94
  5. Step 5: Solve for x
    x = 19,378,100.94/4,134.16
  6. Step 6: Final answer
    x = 4,687.31

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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.