Home / 9,285.30-13,940.31-5,392.50

Finding the Fourth Proportional to 9,285.30, 13,940.31 and 5,392.50

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Solution

The fourth proportional to 9,285.30, 13,940.31 and 5,392.50 is: 8,095.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.30 : 13,940.31 = 5,392.50 : x
  2. Step 2: Convert to fraction form
    9,285.30/13,940.31 = 5,392.50/x
  3. Step 3: Cross multiply
    9,285.30x = 13,940.31 × 5,392.50
  4. Step 4: Simplify right side
    9,285.30x = 75,173,121.68
  5. Step 5: Solve for x
    x = 75,173,121.68/9,285.30
  6. Step 6: Final answer
    x = 8,095.93

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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.