Home / 5,514.52-8,271.40-1,618.60

Finding the Fourth Proportional to 5,514.52, 8,271.40 and 1,618.60

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Solution

The fourth proportional to 5,514.52, 8,271.40 and 1,618.60 is: 2,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.52 : 8,271.40 = 1,618.60 : x
  2. Step 2: Convert to fraction form
    5,514.52/8,271.40 = 1,618.60/x
  3. Step 3: Cross multiply
    5,514.52x = 8,271.40 × 1,618.60
  4. Step 4: Simplify right side
    5,514.52x = 13,388,088.04
  5. Step 5: Solve for x
    x = 13,388,088.04/5,514.52
  6. Step 6: Final answer
    x = 2,427.79

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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.