Home / 7,888.87-11,823.57-4,375.90

Finding the Fourth Proportional to 7,888.87, 11,823.57 and 4,375.90

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Solution

The fourth proportional to 7,888.87, 11,823.57 and 4,375.90 is: 6,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.87 : 11,823.57 = 4,375.90 : x
  2. Step 2: Convert to fraction form
    7,888.87/11,823.57 = 4,375.90/x
  3. Step 3: Cross multiply
    7,888.87x = 11,823.57 × 4,375.90
  4. Step 4: Simplify right side
    7,888.87x = 51,738,759.96
  5. Step 5: Solve for x
    x = 51,738,759.96/7,888.87
  6. Step 6: Final answer
    x = 6,558.45

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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.