Home / 5,609.19-8,409.87-2,487.48

Finding the Fourth Proportional to 5,609.19, 8,409.87 and 2,487.48

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Solution

The fourth proportional to 5,609.19, 8,409.87 and 2,487.48 is: 3,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.19 : 8,409.87 = 2,487.48 : x
  2. Step 2: Convert to fraction form
    5,609.19/8,409.87 = 2,487.48/x
  3. Step 3: Cross multiply
    5,609.19x = 8,409.87 × 2,487.48
  4. Step 4: Simplify right side
    5,609.19x = 20,919,383.43
  5. Step 5: Solve for x
    x = 20,919,383.43/5,609.19
  6. Step 6: Final answer
    x = 3,729.48

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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.