Home / 4,171.49-6,257.23-3,390.55

Finding the Fourth Proportional to 4,171.49, 6,257.23 and 3,390.55

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Solution

The fourth proportional to 4,171.49, 6,257.23 and 3,390.55 is: 5,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.49 : 6,257.23 = 3,390.55 : x
  2. Step 2: Convert to fraction form
    4,171.49/6,257.23 = 3,390.55/x
  3. Step 3: Cross multiply
    4,171.49x = 6,257.23 × 3,390.55
  4. Step 4: Simplify right side
    4,171.49x = 21,215,451.18
  5. Step 5: Solve for x
    x = 21,215,451.18/4,171.49
  6. Step 6: Final answer
    x = 5,085.82

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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.