Home / 4,213.74-5,815.80-2,797.50

Finding the Fourth Proportional to 4,213.74, 5,815.80 and 2,797.50

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Solution

The fourth proportional to 4,213.74, 5,815.80 and 2,797.50 is: 3,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.74 : 5,815.80 = 2,797.50 : x
  2. Step 2: Convert to fraction form
    4,213.74/5,815.80 = 2,797.50/x
  3. Step 3: Cross multiply
    4,213.74x = 5,815.80 × 2,797.50
  4. Step 4: Simplify right side
    4,213.74x = 16,269,700.50
  5. Step 5: Solve for x
    x = 16,269,700.50/4,213.74
  6. Step 6: Final answer
    x = 3,861.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.