Home / 5,575.41-8,363.91-1,680.12

Finding the Fourth Proportional to 5,575.41, 8,363.91 and 1,680.12

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Solution

The fourth proportional to 5,575.41, 8,363.91 and 1,680.12 is: 2,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.41 : 8,363.91 = 1,680.12 : x
  2. Step 2: Convert to fraction form
    5,575.41/8,363.91 = 1,680.12/x
  3. Step 3: Cross multiply
    5,575.41x = 8,363.91 × 1,680.12
  4. Step 4: Simplify right side
    5,575.41x = 14,052,372.47
  5. Step 5: Solve for x
    x = 14,052,372.47/5,575.41
  6. Step 6: Final answer
    x = 2,520.42

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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.