Home / 5,520.82-8,280.99-1,360.63

Finding the Fourth Proportional to 5,520.82, 8,280.99 and 1,360.63

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Solution

The fourth proportional to 5,520.82, 8,280.99 and 1,360.63 is: 2,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.82 : 8,280.99 = 1,360.63 : x
  2. Step 2: Convert to fraction form
    5,520.82/8,280.99 = 1,360.63/x
  3. Step 3: Cross multiply
    5,520.82x = 8,280.99 × 1,360.63
  4. Step 4: Simplify right side
    5,520.82x = 11,267,363.42
  5. Step 5: Solve for x
    x = 11,267,363.42/5,520.82
  6. Step 6: Final answer
    x = 2,040.89

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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.