Home / 4,195.96-6,294.62-1,422.80

Finding the Fourth Proportional to 4,195.96, 6,294.62 and 1,422.80

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Solution

The fourth proportional to 4,195.96, 6,294.62 and 1,422.80 is: 2,134.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,195.96 : 6,294.62 = 1,422.80 : x
  2. Step 2: Convert to fraction form
    4,195.96/6,294.62 = 1,422.80/x
  3. Step 3: Cross multiply
    4,195.96x = 6,294.62 × 1,422.80
  4. Step 4: Simplify right side
    4,195.96x = 8,955,985.34
  5. Step 5: Solve for x
    x = 8,955,985.34/4,195.96
  6. Step 6: Final answer
    x = 2,134.43

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1.5x scale

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.