Home / 7,427.41-11,139.28-3,268.46

Finding the Fourth Proportional to 7,427.41, 11,139.28 and 3,268.46

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Solution

The fourth proportional to 7,427.41, 11,139.28 and 3,268.46 is: 4,901.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.41 : 11,139.28 = 3,268.46 : x
  2. Step 2: Convert to fraction form
    7,427.41/11,139.28 = 3,268.46/x
  3. Step 3: Cross multiply
    7,427.41x = 11,139.28 × 3,268.46
  4. Step 4: Simplify right side
    7,427.41x = 36,408,291.11
  5. Step 5: Solve for x
    x = 36,408,291.11/7,427.41
  6. Step 6: Final answer
    x = 4,901.88

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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.