Home / 7,190.37-10,782.85-2,509.17

Finding the Fourth Proportional to 7,190.37, 10,782.85 and 2,509.17

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Solution

The fourth proportional to 7,190.37, 10,782.85 and 2,509.17 is: 3,762.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.37 : 10,782.85 = 2,509.17 : x
  2. Step 2: Convert to fraction form
    7,190.37/10,782.85 = 2,509.17/x
  3. Step 3: Cross multiply
    7,190.37x = 10,782.85 × 2,509.17
  4. Step 4: Simplify right side
    7,190.37x = 27,055,997.46
  5. Step 5: Solve for x
    x = 27,055,997.46/7,190.37
  6. Step 6: Final answer
    x = 3,762.81

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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.