Home / 5,514.16-8,272.62-1,618.57

Finding the Fourth Proportional to 5,514.16, 8,272.62 and 1,618.57

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Solution

The fourth proportional to 5,514.16, 8,272.62 and 1,618.57 is: 2,428.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.16 : 8,272.62 = 1,618.57 : x
  2. Step 2: Convert to fraction form
    5,514.16/8,272.62 = 1,618.57/x
  3. Step 3: Cross multiply
    5,514.16x = 8,272.62 × 1,618.57
  4. Step 4: Simplify right side
    5,514.16x = 13,389,806.46
  5. Step 5: Solve for x
    x = 13,389,806.46/5,514.16
  6. Step 6: Final answer
    x = 2,428.26

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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.