Home / 4,137.80-6,206.70-1,364.90

Finding the Fourth Proportional to 4,137.80, 6,206.70 and 1,364.90

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Solution

The fourth proportional to 4,137.80, 6,206.70 and 1,364.90 is: 2,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.80 : 6,206.70 = 1,364.90 : x
  2. Step 2: Convert to fraction form
    4,137.80/6,206.70 = 1,364.90/x
  3. Step 3: Cross multiply
    4,137.80x = 6,206.70 × 1,364.90
  4. Step 4: Simplify right side
    4,137.80x = 8,471,524.83
  5. Step 5: Solve for x
    x = 8,471,524.83/4,137.80
  6. Step 6: Final answer
    x = 2,047.35

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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.