Home / 4,130.25-6,194.16-1,207.86

Finding the Fourth Proportional to 4,130.25, 6,194.16 and 1,207.86

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Solution

The fourth proportional to 4,130.25, 6,194.16 and 1,207.86 is: 1,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.25 : 6,194.16 = 1,207.86 : x
  2. Step 2: Convert to fraction form
    4,130.25/6,194.16 = 1,207.86/x
  3. Step 3: Cross multiply
    4,130.25x = 6,194.16 × 1,207.86
  4. Step 4: Simplify right side
    4,130.25x = 7,481,678.10
  5. Step 5: Solve for x
    x = 7,481,678.10/4,130.25
  6. Step 6: Final answer
    x = 1,811.43

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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.