Home / 5,101.22-7,651.80-1,403.48

Finding the Fourth Proportional to 5,101.22, 7,651.80 and 1,403.48

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Solution

The fourth proportional to 5,101.22, 7,651.80 and 1,403.48 is: 2,105.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101.22 : 7,651.80 = 1,403.48 : x
  2. Step 2: Convert to fraction form
    5,101.22/7,651.80 = 1,403.48/x
  3. Step 3: Cross multiply
    5,101.22x = 7,651.80 × 1,403.48
  4. Step 4: Simplify right side
    5,101.22x = 10,739,110.01
  5. Step 5: Solve for x
    x = 10,739,110.01/5,101.22
  6. Step 6: Final answer
    x = 2,105.21

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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.