Home / 5,484.25-8,226.38-1,380.25

Finding the Fourth Proportional to 5,484.25, 8,226.38 and 1,380.25

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Solution

The fourth proportional to 5,484.25, 8,226.38 and 1,380.25 is: 2,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,484.25 : 8,226.38 = 1,380.25 : x
  2. Step 2: Convert to fraction form
    5,484.25/8,226.38 = 1,380.25/x
  3. Step 3: Cross multiply
    5,484.25x = 8,226.38 × 1,380.25
  4. Step 4: Simplify right side
    5,484.25x = 11,354,461.00
  5. Step 5: Solve for x
    x = 11,354,461.00/5,484.25
  6. Step 6: Final answer
    x = 2,070.38

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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.