Home / 5,609.19-8,409.69-2,689.56

Finding the Fourth Proportional to 5,609.19, 8,409.69 and 2,689.56

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Solution

The fourth proportional to 5,609.19, 8,409.69 and 2,689.56 is: 4,032.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.19 : 8,409.69 = 2,689.56 : x
  2. Step 2: Convert to fraction form
    5,609.19/8,409.69 = 2,689.56/x
  3. Step 3: Cross multiply
    5,609.19x = 8,409.69 × 2,689.56
  4. Step 4: Simplify right side
    5,609.19x = 22,618,365.84
  5. Step 5: Solve for x
    x = 22,618,365.84/5,609.19
  6. Step 6: Final answer
    x = 4,032.38

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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.