Home / 5,122.77-7,683.84-1,835.88

Finding the Fourth Proportional to 5,122.77, 7,683.84 and 1,835.88

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Solution

The fourth proportional to 5,122.77, 7,683.84 and 1,835.88 is: 2,753.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.77 : 7,683.84 = 1,835.88 : x
  2. Step 2: Convert to fraction form
    5,122.77/7,683.84 = 1,835.88/x
  3. Step 3: Cross multiply
    5,122.77x = 7,683.84 × 1,835.88
  4. Step 4: Simplify right side
    5,122.77x = 14,106,608.18
  5. Step 5: Solve for x
    x = 14,106,608.18/5,122.77
  6. Step 6: Final answer
    x = 2,753.71

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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.