Home / 7,420.64-11,126.90-3,034.49

Finding the Fourth Proportional to 7,420.64, 11,126.90 and 3,034.49

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Solution

The fourth proportional to 7,420.64, 11,126.90 and 3,034.49 is: 4,550.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.64 : 11,126.90 = 3,034.49 : x
  2. Step 2: Convert to fraction form
    7,420.64/11,126.90 = 3,034.49/x
  3. Step 3: Cross multiply
    7,420.64x = 11,126.90 × 3,034.49
  4. Step 4: Simplify right side
    7,420.64x = 33,764,395.97
  5. Step 5: Solve for x
    x = 33,764,395.97/7,420.64
  6. Step 6: Final answer
    x = 4,550.07

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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.