Home / 5,619.03-8,423.97-2,107.07

Finding the Fourth Proportional to 5,619.03, 8,423.97 and 2,107.07

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Solution

The fourth proportional to 5,619.03, 8,423.97 and 2,107.07 is: 3,158.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.03 : 8,423.97 = 2,107.07 : x
  2. Step 2: Convert to fraction form
    5,619.03/8,423.97 = 2,107.07/x
  3. Step 3: Cross multiply
    5,619.03x = 8,423.97 × 2,107.07
  4. Step 4: Simplify right side
    5,619.03x = 17,749,852.35
  5. Step 5: Solve for x
    x = 17,749,852.35/5,619.03
  6. Step 6: Final answer
    x = 3,158.88

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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.