Home / 4,156.31-6,234.47-1,078.31

Finding the Fourth Proportional to 4,156.31, 6,234.47 and 1,078.31

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Solution

The fourth proportional to 4,156.31, 6,234.47 and 1,078.31 is: 1,617.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.31 : 6,234.47 = 1,078.31 : x
  2. Step 2: Convert to fraction form
    4,156.31/6,234.47 = 1,078.31/x
  3. Step 3: Cross multiply
    4,156.31x = 6,234.47 × 1,078.31
  4. Step 4: Simplify right side
    4,156.31x = 6,722,705.58
  5. Step 5: Solve for x
    x = 6,722,705.58/4,156.31
  6. Step 6: Final answer
    x = 1,617.47

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1.5x scale

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.