Home / 5,514.19-8,271.36-1,618.68

Finding the Fourth Proportional to 5,514.19, 8,271.36 and 1,618.68

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Solution

The fourth proportional to 5,514.19, 8,271.36 and 1,618.68 is: 2,428.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.19 : 8,271.36 = 1,618.68 : x
  2. Step 2: Convert to fraction form
    5,514.19/8,271.36 = 1,618.68/x
  3. Step 3: Cross multiply
    5,514.19x = 8,271.36 × 1,618.68
  4. Step 4: Simplify right side
    5,514.19x = 13,388,685.00
  5. Step 5: Solve for x
    x = 13,388,685.00/5,514.19
  6. Step 6: Final answer
    x = 2,428.04

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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.