Home / 4,130.64-6,195.84-1,940.88

Finding the Fourth Proportional to 4,130.64, 6,195.84 and 1,940.88

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Solution

The fourth proportional to 4,130.64, 6,195.84 and 1,940.88 is: 2,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.64 : 6,195.84 = 1,940.88 : x
  2. Step 2: Convert to fraction form
    4,130.64/6,195.84 = 1,940.88/x
  3. Step 3: Cross multiply
    4,130.64x = 6,195.84 × 1,940.88
  4. Step 4: Simplify right side
    4,130.64x = 12,025,381.94
  5. Step 5: Solve for x
    x = 12,025,381.94/4,130.64
  6. Step 6: Final answer
    x = 2,911.26

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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.