Home / 4,051.25-6,076.88-1,315.25

Finding the Fourth Proportional to 4,051.25, 6,076.88 and 1,315.25

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Solution

The fourth proportional to 4,051.25, 6,076.88 and 1,315.25 is: 1,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,051.25 : 6,076.88 = 1,315.25 : x
  2. Step 2: Convert to fraction form
    4,051.25/6,076.88 = 1,315.25/x
  3. Step 3: Cross multiply
    4,051.25x = 6,076.88 × 1,315.25
  4. Step 4: Simplify right side
    4,051.25x = 7,992,609.84
  5. Step 5: Solve for x
    x = 7,992,609.84/4,051.25
  6. Step 6: Final answer
    x = 1,972.88

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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.