Home / 4,078.46-6,118.70-1,156.79

Finding the Fourth Proportional to 4,078.46, 6,118.70 and 1,156.79

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Solution

The fourth proportional to 4,078.46, 6,118.70 and 1,156.79 is: 1,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.46 : 6,118.70 = 1,156.79 : x
  2. Step 2: Convert to fraction form
    4,078.46/6,118.70 = 1,156.79/x
  3. Step 3: Cross multiply
    4,078.46x = 6,118.70 × 1,156.79
  4. Step 4: Simplify right side
    4,078.46x = 7,078,050.97
  5. Step 5: Solve for x
    x = 7,078,050.97/4,078.46
  6. Step 6: Final answer
    x = 1,735.47

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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.