Home / 5,476.90-8,204.55-3,279.10

Finding the Fourth Proportional to 5,476.90, 8,204.55 and 3,279.10

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Solution

The fourth proportional to 5,476.90, 8,204.55 and 3,279.10 is: 4,912.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476.90 : 8,204.55 = 3,279.10 : x
  2. Step 2: Convert to fraction form
    5,476.90/8,204.55 = 3,279.10/x
  3. Step 3: Cross multiply
    5,476.90x = 8,204.55 × 3,279.10
  4. Step 4: Simplify right side
    5,476.90x = 26,903,539.91
  5. Step 5: Solve for x
    x = 26,903,539.91/5,476.90
  6. Step 6: Final answer
    x = 4,912.18

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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.