Home / 5,121.63-7,683.25-1,834.65

Finding the Fourth Proportional to 5,121.63, 7,683.25 and 1,834.65

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Solution

The fourth proportional to 5,121.63, 7,683.25 and 1,834.65 is: 2,752.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.63 : 7,683.25 = 1,834.65 : x
  2. Step 2: Convert to fraction form
    5,121.63/7,683.25 = 1,834.65/x
  3. Step 3: Cross multiply
    5,121.63x = 7,683.25 × 1,834.65
  4. Step 4: Simplify right side
    5,121.63x = 14,096,041.21
  5. Step 5: Solve for x
    x = 14,096,041.21/5,121.63
  6. Step 6: Final answer
    x = 2,752.26

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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.