Home / 4,091.67-6,136.71-1,870.02

Finding the Fourth Proportional to 4,091.67, 6,136.71 and 1,870.02

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Solution

The fourth proportional to 4,091.67, 6,136.71 and 1,870.02 is: 2,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.67 : 6,136.71 = 1,870.02 : x
  2. Step 2: Convert to fraction form
    4,091.67/6,136.71 = 1,870.02/x
  3. Step 3: Cross multiply
    4,091.67x = 6,136.71 × 1,870.02
  4. Step 4: Simplify right side
    4,091.67x = 11,475,770.43
  5. Step 5: Solve for x
    x = 11,475,770.43/4,091.67
  6. Step 6: Final answer
    x = 2,804.67

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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.