Home / 6,288.04-9,431.79-1,905.31

Finding the Fourth Proportional to 6,288.04, 9,431.79 and 1,905.31

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Solution

The fourth proportional to 6,288.04, 9,431.79 and 1,905.31 is: 2,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.04 : 9,431.79 = 1,905.31 : x
  2. Step 2: Convert to fraction form
    6,288.04/9,431.79 = 1,905.31/x
  3. Step 3: Cross multiply
    6,288.04x = 9,431.79 × 1,905.31
  4. Step 4: Simplify right side
    6,288.04x = 17,970,483.80
  5. Step 5: Solve for x
    x = 17,970,483.80/6,288.04
  6. Step 6: Final answer
    x = 2,857.88

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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.