Home / 5,122.23-7,683.34-1,835.25

Finding the Fourth Proportional to 5,122.23, 7,683.34 and 1,835.25

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Solution

The fourth proportional to 5,122.23, 7,683.34 and 1,835.25 is: 2,752.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.23 : 7,683.34 = 1,835.25 : x
  2. Step 2: Convert to fraction form
    5,122.23/7,683.34 = 1,835.25/x
  3. Step 3: Cross multiply
    5,122.23x = 7,683.34 × 1,835.25
  4. Step 4: Simplify right side
    5,122.23x = 14,100,849.74
  5. Step 5: Solve for x
    x = 14,100,849.74/5,122.23
  6. Step 6: Final answer
    x = 2,752.87

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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.