Home / 4,215.37-6,331.26-3,435.95

Finding the Fourth Proportional to 4,215.37, 6,331.26 and 3,435.95

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Solution

The fourth proportional to 4,215.37, 6,331.26 and 3,435.95 is: 5,160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.37 : 6,331.26 = 3,435.95 : x
  2. Step 2: Convert to fraction form
    4,215.37/6,331.26 = 3,435.95/x
  3. Step 3: Cross multiply
    4,215.37x = 6,331.26 × 3,435.95
  4. Step 4: Simplify right side
    4,215.37x = 21,753,892.80
  5. Step 5: Solve for x
    x = 21,753,892.80/4,215.37
  6. Step 6: Final answer
    x = 5,160.61

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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.