Home / 4,191.28-6,286.94-1,417.98

Finding the Fourth Proportional to 4,191.28, 6,286.94 and 1,417.98

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Solution

The fourth proportional to 4,191.28, 6,286.94 and 1,417.98 is: 2,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.28 : 6,286.94 = 1,417.98 : x
  2. Step 2: Convert to fraction form
    4,191.28/6,286.94 = 1,417.98/x
  3. Step 3: Cross multiply
    4,191.28x = 6,286.94 × 1,417.98
  4. Step 4: Simplify right side
    4,191.28x = 8,914,755.18
  5. Step 5: Solve for x
    x = 8,914,755.18/4,191.28
  6. Step 6: Final answer
    x = 2,126.98

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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.