Home / 5,514.57-8,271.90-1,618.92

Finding the Fourth Proportional to 5,514.57, 8,271.90 and 1,618.92

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Solution

The fourth proportional to 5,514.57, 8,271.90 and 1,618.92 is: 2,428.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.57 : 8,271.90 = 1,618.92 : x
  2. Step 2: Convert to fraction form
    5,514.57/8,271.90 = 1,618.92/x
  3. Step 3: Cross multiply
    5,514.57x = 8,271.90 × 1,618.92
  4. Step 4: Simplify right side
    5,514.57x = 13,391,544.35
  5. Step 5: Solve for x
    x = 13,391,544.35/5,514.57
  6. Step 6: Final answer
    x = 2,428.39

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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.