Home / 7,908-11,845.60-4,611.10

Finding the Fourth Proportional to 7,908, 11,845.60 and 4,611.10

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Solution

The fourth proportional to 7,908, 11,845.60 and 4,611.10 is: 6,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908 : 11,845.60 = 4,611.10 : x
  2. Step 2: Convert to fraction form
    7,908/11,845.60 = 4,611.10/x
  3. Step 3: Cross multiply
    7,908x = 11,845.60 × 4,611.10
  4. Step 4: Simplify right side
    7,908x = 54,621,246.16
  5. Step 5: Solve for x
    x = 54,621,246.16/7,908
  6. Step 6: Final answer
    x = 6,907.09

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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.