Home / 8,956.98-13,438.17-3,617.42

Finding the Fourth Proportional to 8,956.98, 13,438.17 and 3,617.42

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Solution

The fourth proportional to 8,956.98, 13,438.17 and 3,617.42 is: 5,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.98 : 13,438.17 = 3,617.42 : x
  2. Step 2: Convert to fraction form
    8,956.98/13,438.17 = 3,617.42/x
  3. Step 3: Cross multiply
    8,956.98x = 13,438.17 × 3,617.42
  4. Step 4: Simplify right side
    8,956.98x = 48,611,437.73
  5. Step 5: Solve for x
    x = 48,611,437.73/8,956.98
  6. Step 6: Final answer
    x = 5,427.21

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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.