Home / 5,520.88-8,279.56-1,822.42

Finding the Fourth Proportional to 5,520.88, 8,279.56 and 1,822.42

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Solution

The fourth proportional to 5,520.88, 8,279.56 and 1,822.42 is: 2,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.88 : 8,279.56 = 1,822.42 : x
  2. Step 2: Convert to fraction form
    5,520.88/8,279.56 = 1,822.42/x
  3. Step 3: Cross multiply
    5,520.88x = 8,279.56 × 1,822.42
  4. Step 4: Simplify right side
    5,520.88x = 15,088,835.74
  5. Step 5: Solve for x
    x = 15,088,835.74/5,520.88
  6. Step 6: Final answer
    x = 2,733.05

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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.