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Finding the Fourth Proportional to 3,559.44, 5,339.16 and 3,009.99

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Solution

The fourth proportional to 3,559.44, 5,339.16 and 3,009.99 is: 4,514.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,559.44 : 5,339.16 = 3,009.99 : x
  2. Step 2: Convert to fraction form
    3,559.44/5,339.16 = 3,009.99/x
  3. Step 3: Cross multiply
    3,559.44x = 5,339.16 × 3,009.99
  4. Step 4: Simplify right side
    3,559.44x = 16,070,818.21
  5. Step 5: Solve for x
    x = 16,070,818.21/3,559.44
  6. Step 6: Final answer
    x = 4,514.99

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Similar ratio
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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.