Home / 4,416.50-6,620.28-2,774.21

Finding the Fourth Proportional to 4,416.50, 6,620.28 and 2,774.21

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Solution

The fourth proportional to 4,416.50, 6,620.28 and 2,774.21 is: 4,158.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,416.50 : 6,620.28 = 2,774.21 : x
  2. Step 2: Convert to fraction form
    4,416.50/6,620.28 = 2,774.21/x
  3. Step 3: Cross multiply
    4,416.50x = 6,620.28 × 2,774.21
  4. Step 4: Simplify right side
    4,416.50x = 18,366,046.98
  5. Step 5: Solve for x
    x = 18,366,046.98/4,416.50
  6. Step 6: Final answer
    x = 4,158.51

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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.