Home / 7,418.20-11,123.10-3,030.52

Finding the Fourth Proportional to 7,418.20, 11,123.10 and 3,030.52

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Solution

The fourth proportional to 7,418.20, 11,123.10 and 3,030.52 is: 4,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,418.20 : 11,123.10 = 3,030.52 : x
  2. Step 2: Convert to fraction form
    7,418.20/11,123.10 = 3,030.52/x
  3. Step 3: Cross multiply
    7,418.20x = 11,123.10 × 3,030.52
  4. Step 4: Simplify right side
    7,418.20x = 33,708,777.01
  5. Step 5: Solve for x
    x = 33,708,777.01/7,418.20
  6. Step 6: Final answer
    x = 4,544.06

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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.