Home / 5,272.72-7,909.32-1,763.02

Finding the Fourth Proportional to 5,272.72, 7,909.32 and 1,763.02

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Solution

The fourth proportional to 5,272.72, 7,909.32 and 1,763.02 is: 2,644.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.72 : 7,909.32 = 1,763.02 : x
  2. Step 2: Convert to fraction form
    5,272.72/7,909.32 = 1,763.02/x
  3. Step 3: Cross multiply
    5,272.72x = 7,909.32 × 1,763.02
  4. Step 4: Simplify right side
    5,272.72x = 13,944,289.35
  5. Step 5: Solve for x
    x = 13,944,289.35/5,272.72
  6. Step 6: Final answer
    x = 2,644.61

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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.