Home / 5,514.12-8,265.84-1,813.80

Finding the Fourth Proportional to 5,514.12, 8,265.84 and 1,813.80

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Solution

The fourth proportional to 5,514.12, 8,265.84 and 1,813.80 is: 2,718.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.12 : 8,265.84 = 1,813.80 : x
  2. Step 2: Convert to fraction form
    5,514.12/8,265.84 = 1,813.80/x
  3. Step 3: Cross multiply
    5,514.12x = 8,265.84 × 1,813.80
  4. Step 4: Simplify right side
    5,514.12x = 14,992,580.59
  5. Step 5: Solve for x
    x = 14,992,580.59/5,514.12
  6. Step 6: Final answer
    x = 2,718.94

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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.