Home / 5,514.57-8,271.45-1,619.28

Finding the Fourth Proportional to 5,514.57, 8,271.45 and 1,619.28

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Solution

The fourth proportional to 5,514.57, 8,271.45 and 1,619.28 is: 2,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.57 : 8,271.45 = 1,619.28 : x
  2. Step 2: Convert to fraction form
    5,514.57/8,271.45 = 1,619.28/x
  3. Step 3: Cross multiply
    5,514.57x = 8,271.45 × 1,619.28
  4. Step 4: Simplify right side
    5,514.57x = 13,393,793.56
  5. Step 5: Solve for x
    x = 13,393,793.56/5,514.57
  6. Step 6: Final answer
    x = 2,428.80

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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.