Home / 5,522.73-8,279.64-1,822.65

Finding the Fourth Proportional to 5,522.73, 8,279.64 and 1,822.65

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Solution

The fourth proportional to 5,522.73, 8,279.64 and 1,822.65 is: 2,732.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522.73 : 8,279.64 = 1,822.65 : x
  2. Step 2: Convert to fraction form
    5,522.73/8,279.64 = 1,822.65/x
  3. Step 3: Cross multiply
    5,522.73x = 8,279.64 × 1,822.65
  4. Step 4: Simplify right side
    5,522.73x = 15,090,885.85
  5. Step 5: Solve for x
    x = 15,090,885.85/5,522.73
  6. Step 6: Final answer
    x = 2,732.50

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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.