Home / 4,427.31-6,636.86-1,503.56

Finding the Fourth Proportional to 4,427.31, 6,636.86 and 1,503.56

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Solution

The fourth proportional to 4,427.31, 6,636.86 and 1,503.56 is: 2,253.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.31 : 6,636.86 = 1,503.56 : x
  2. Step 2: Convert to fraction form
    4,427.31/6,636.86 = 1,503.56/x
  3. Step 3: Cross multiply
    4,427.31x = 6,636.86 × 1,503.56
  4. Step 4: Simplify right side
    4,427.31x = 9,978,936.16
  5. Step 5: Solve for x
    x = 9,978,936.16/4,427.31
  6. Step 6: Final answer
    x = 2,253.95

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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.