Home / 5,487.36-8,221.44-4,568.80

Finding the Fourth Proportional to 5,487.36, 8,221.44 and 4,568.80

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Solution

The fourth proportional to 5,487.36, 8,221.44 and 4,568.80 is: 6,845.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.36 : 8,221.44 = 4,568.80 : x
  2. Step 2: Convert to fraction form
    5,487.36/8,221.44 = 4,568.80/x
  3. Step 3: Cross multiply
    5,487.36x = 8,221.44 × 4,568.80
  4. Step 4: Simplify right side
    5,487.36x = 37,562,115.07
  5. Step 5: Solve for x
    x = 37,562,115.07/5,487.36
  6. Step 6: Final answer
    x = 6,845.21

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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.