Home / 7,705.84-11,558.52-3,320.44

Finding the Fourth Proportional to 7,705.84, 11,558.52 and 3,320.44

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Solution

The fourth proportional to 7,705.84, 11,558.52 and 3,320.44 is: 4,980.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.84 : 11,558.52 = 3,320.44 : x
  2. Step 2: Convert to fraction form
    7,705.84/11,558.52 = 3,320.44/x
  3. Step 3: Cross multiply
    7,705.84x = 11,558.52 × 3,320.44
  4. Step 4: Simplify right side
    7,705.84x = 38,379,372.15
  5. Step 5: Solve for x
    x = 38,379,372.15/7,705.84
  6. Step 6: Final answer
    x = 4,980.56

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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.