Home / 5,601.84-8,404.20-2,139.36

Finding the Fourth Proportional to 5,601.84, 8,404.20 and 2,139.36

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Solution

The fourth proportional to 5,601.84, 8,404.20 and 2,139.36 is: 3,209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.84 : 8,404.20 = 2,139.36 : x
  2. Step 2: Convert to fraction form
    5,601.84/8,404.20 = 2,139.36/x
  3. Step 3: Cross multiply
    5,601.84x = 8,404.20 × 2,139.36
  4. Step 4: Simplify right side
    5,601.84x = 17,979,609.31
  5. Step 5: Solve for x
    x = 17,979,609.31/5,601.84
  6. Step 6: Final answer
    x = 3,209.59

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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.