Home / 5,091.88-7,638.97-2,317.81

Finding the Fourth Proportional to 5,091.88, 7,638.97 and 2,317.81

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Solution

The fourth proportional to 5,091.88, 7,638.97 and 2,317.81 is: 3,477.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.88 : 7,638.97 = 2,317.81 : x
  2. Step 2: Convert to fraction form
    5,091.88/7,638.97 = 2,317.81/x
  3. Step 3: Cross multiply
    5,091.88x = 7,638.97 × 2,317.81
  4. Step 4: Simplify right side
    5,091.88x = 17,705,656.16
  5. Step 5: Solve for x
    x = 17,705,656.16/5,091.88
  6. Step 6: Final answer
    x = 3,477.24

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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.