Home / 9,278.88-13,921.44-3,435.96

Finding the Fourth Proportional to 9,278.88, 13,921.44 and 3,435.96

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Solution

The fourth proportional to 9,278.88, 13,921.44 and 3,435.96 is: 5,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.88 : 13,921.44 = 3,435.96 : x
  2. Step 2: Convert to fraction form
    9,278.88/13,921.44 = 3,435.96/x
  3. Step 3: Cross multiply
    9,278.88x = 13,921.44 × 3,435.96
  4. Step 4: Simplify right side
    9,278.88x = 47,833,510.98
  5. Step 5: Solve for x
    x = 47,833,510.98/9,278.88
  6. Step 6: Final answer
    x = 5,155.10

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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.