Home / 5,514.80-8,273.40-2,591.50

Finding the Fourth Proportional to 5,514.80, 8,273.40 and 2,591.50

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Solution

The fourth proportional to 5,514.80, 8,273.40 and 2,591.50 is: 3,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.80 : 8,273.40 = 2,591.50 : x
  2. Step 2: Convert to fraction form
    5,514.80/8,273.40 = 2,591.50/x
  3. Step 3: Cross multiply
    5,514.80x = 8,273.40 × 2,591.50
  4. Step 4: Simplify right side
    5,514.80x = 21,440,516.10
  5. Step 5: Solve for x
    x = 21,440,516.10/5,514.80
  6. Step 6: Final answer
    x = 3,887.81

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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.