Home / 5,223.45-7,835.19-2,102.52

Finding the Fourth Proportional to 5,223.45, 7,835.19 and 2,102.52

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Solution

The fourth proportional to 5,223.45, 7,835.19 and 2,102.52 is: 3,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.45 : 7,835.19 = 2,102.52 : x
  2. Step 2: Convert to fraction form
    5,223.45/7,835.19 = 2,102.52/x
  3. Step 3: Cross multiply
    5,223.45x = 7,835.19 × 2,102.52
  4. Step 4: Simplify right side
    5,223.45x = 16,473,643.68
  5. Step 5: Solve for x
    x = 16,473,643.68/5,223.45
  6. Step 6: Final answer
    x = 3,153.79

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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.