Home / 6,760.50-10,140.70-1,830.65

Finding the Fourth Proportional to 6,760.50, 10,140.70 and 1,830.65

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Solution

The fourth proportional to 6,760.50, 10,140.70 and 1,830.65 is: 2,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,760.50 : 10,140.70 = 1,830.65 : x
  2. Step 2: Convert to fraction form
    6,760.50/10,140.70 = 1,830.65/x
  3. Step 3: Cross multiply
    6,760.50x = 10,140.70 × 1,830.65
  4. Step 4: Simplify right side
    6,760.50x = 18,564,072.46
  5. Step 5: Solve for x
    x = 18,564,072.46/6,760.50
  6. Step 6: Final answer
    x = 2,745.96

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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.