Home / 5,912.31-8,159.16-3,394.87

Finding the Fourth Proportional to 5,912.31, 8,159.16 and 3,394.87

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Solution

The fourth proportional to 5,912.31, 8,159.16 and 3,394.87 is: 4,685.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.31 : 8,159.16 = 3,394.87 : x
  2. Step 2: Convert to fraction form
    5,912.31/8,159.16 = 3,394.87/x
  3. Step 3: Cross multiply
    5,912.31x = 8,159.16 × 3,394.87
  4. Step 4: Simplify right side
    5,912.31x = 27,699,287.51
  5. Step 5: Solve for x
    x = 27,699,287.51/5,912.31
  6. Step 6: Final answer
    x = 4,685.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.