Home / 5,683.92-8,529.12-2,220.36

Finding the Fourth Proportional to 5,683.92, 8,529.12 and 2,220.36

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Solution

The fourth proportional to 5,683.92, 8,529.12 and 2,220.36 is: 3,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,683.92 : 8,529.12 = 2,220.36 : x
  2. Step 2: Convert to fraction form
    5,683.92/8,529.12 = 2,220.36/x
  3. Step 3: Cross multiply
    5,683.92x = 8,529.12 × 2,220.36
  4. Step 4: Simplify right side
    5,683.92x = 18,937,716.88
  5. Step 5: Solve for x
    x = 18,937,716.88/5,683.92
  6. Step 6: Final answer
    x = 3,331.81

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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.