Home / 4,415.87-6,617.25-2,221.88

Finding the Fourth Proportional to 4,415.87, 6,617.25 and 2,221.88

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Solution

The fourth proportional to 4,415.87, 6,617.25 and 2,221.88 is: 3,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.87 : 6,617.25 = 2,221.88 : x
  2. Step 2: Convert to fraction form
    4,415.87/6,617.25 = 2,221.88/x
  3. Step 3: Cross multiply
    4,415.87x = 6,617.25 × 2,221.88
  4. Step 4: Simplify right side
    4,415.87x = 14,702,702.34
  5. Step 5: Solve for x
    x = 14,702,702.34/4,415.87
  6. Step 6: Final answer
    x = 3,329.51

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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.