Home / 4,509-6,766.27-1,911.94

Finding the Fourth Proportional to 4,509, 6,766.27 and 1,911.94

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Solution

The fourth proportional to 4,509, 6,766.27 and 1,911.94 is: 2,869.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509 : 6,766.27 = 1,911.94 : x
  2. Step 2: Convert to fraction form
    4,509/6,766.27 = 1,911.94/x
  3. Step 3: Cross multiply
    4,509x = 6,766.27 × 1,911.94
  4. Step 4: Simplify right side
    4,509x = 12,936,680.57
  5. Step 5: Solve for x
    x = 12,936,680.57/4,509
  6. Step 6: Final answer
    x = 2,869.08

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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.