Home / 5,722.18-8,579.22-2,209.21

Finding the Fourth Proportional to 5,722.18, 8,579.22 and 2,209.21

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Solution

The fourth proportional to 5,722.18, 8,579.22 and 2,209.21 is: 3,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,722.18 : 8,579.22 = 2,209.21 : x
  2. Step 2: Convert to fraction form
    5,722.18/8,579.22 = 2,209.21/x
  3. Step 3: Cross multiply
    5,722.18x = 8,579.22 × 2,209.21
  4. Step 4: Simplify right side
    5,722.18x = 18,953,298.62
  5. Step 5: Solve for x
    x = 18,953,298.62/5,722.18
  6. Step 6: Final answer
    x = 3,312.25

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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.