Home / 7,190.24-10,784.10-2,509.88

Finding the Fourth Proportional to 7,190.24, 10,784.10 and 2,509.88

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Solution

The fourth proportional to 7,190.24, 10,784.10 and 2,509.88 is: 3,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.24 : 10,784.10 = 2,509.88 : x
  2. Step 2: Convert to fraction form
    7,190.24/10,784.10 = 2,509.88/x
  3. Step 3: Cross multiply
    7,190.24x = 10,784.10 × 2,509.88
  4. Step 4: Simplify right side
    7,190.24x = 27,066,796.91
  5. Step 5: Solve for x
    x = 27,066,796.91/7,190.24
  6. Step 6: Final answer
    x = 3,764.38

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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.