Home / 6,288.44-9,432.68-1,905.93

Finding the Fourth Proportional to 6,288.44, 9,432.68 and 1,905.93

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Solution

The fourth proportional to 6,288.44, 9,432.68 and 1,905.93 is: 2,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.44 : 9,432.68 = 1,905.93 : x
  2. Step 2: Convert to fraction form
    6,288.44/9,432.68 = 1,905.93/x
  3. Step 3: Cross multiply
    6,288.44x = 9,432.68 × 1,905.93
  4. Step 4: Simplify right side
    6,288.44x = 17,978,018.26
  5. Step 5: Solve for x
    x = 17,978,018.26/6,288.44
  6. Step 6: Final answer
    x = 2,858.90

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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.