Home / 5,137.07-7,704.90-2,215.00

Finding the Fourth Proportional to 5,137.07, 7,704.90 and 2,215.00

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Solution

The fourth proportional to 5,137.07, 7,704.90 and 2,215.00 is: 3,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.07 : 7,704.90 = 2,215.00 : x
  2. Step 2: Convert to fraction form
    5,137.07/7,704.90 = 2,215.00/x
  3. Step 3: Cross multiply
    5,137.07x = 7,704.90 × 2,215.00
  4. Step 4: Simplify right side
    5,137.07x = 17,066,313.56
  5. Step 5: Solve for x
    x = 17,066,313.56/5,137.07
  6. Step 6: Final answer
    x = 3,322.19

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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.