Home / 5,279.57-7,922.88-2,816.09

Finding the Fourth Proportional to 5,279.57, 7,922.88 and 2,816.09

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Solution

The fourth proportional to 5,279.57, 7,922.88 and 2,816.09 is: 4,226.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.57 : 7,922.88 = 2,816.09 : x
  2. Step 2: Convert to fraction form
    5,279.57/7,922.88 = 2,816.09/x
  3. Step 3: Cross multiply
    5,279.57x = 7,922.88 × 2,816.09
  4. Step 4: Simplify right side
    5,279.57x = 22,311,503.52
  5. Step 5: Solve for x
    x = 22,311,503.52/5,279.57
  6. Step 6: Final answer
    x = 4,226.01

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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.