Home / 5,091.03-7,636.29-1,393.20

Finding the Fourth Proportional to 5,091.03, 7,636.29 and 1,393.20

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Solution

The fourth proportional to 5,091.03, 7,636.29 and 1,393.20 is: 2,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.03 : 7,636.29 = 1,393.20 : x
  2. Step 2: Convert to fraction form
    5,091.03/7,636.29 = 1,393.20/x
  3. Step 3: Cross multiply
    5,091.03x = 7,636.29 × 1,393.20
  4. Step 4: Simplify right side
    5,091.03x = 10,638,879.23
  5. Step 5: Solve for x
    x = 10,638,879.23/5,091.03
  6. Step 6: Final answer
    x = 2,089.73

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1.5x scale

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.