Home / 6,315.31-9,474.72-2,757.74

Finding the Fourth Proportional to 6,315.31, 9,474.72 and 2,757.74

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Solution

The fourth proportional to 6,315.31, 9,474.72 and 2,757.74 is: 4,137.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.31 : 9,474.72 = 2,757.74 : x
  2. Step 2: Convert to fraction form
    6,315.31/9,474.72 = 2,757.74/x
  3. Step 3: Cross multiply
    6,315.31x = 9,474.72 × 2,757.74
  4. Step 4: Simplify right side
    6,315.31x = 26,128,814.33
  5. Step 5: Solve for x
    x = 26,128,814.33/6,315.31
  6. Step 6: Final answer
    x = 4,137.38

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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.