Home / 5,579.24-8,363.90-2,118.92

Finding the Fourth Proportional to 5,579.24, 8,363.90 and 2,118.92

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Solution

The fourth proportional to 5,579.24, 8,363.90 and 2,118.92 is: 3,176.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.24 : 8,363.90 = 2,118.92 : x
  2. Step 2: Convert to fraction form
    5,579.24/8,363.90 = 2,118.92/x
  3. Step 3: Cross multiply
    5,579.24x = 8,363.90 × 2,118.92
  4. Step 4: Simplify right side
    5,579.24x = 17,722,434.99
  5. Step 5: Solve for x
    x = 17,722,434.99/5,579.24
  6. Step 6: Final answer
    x = 3,176.50

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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.