Home / 5,383.60-8,077.46-2,098.98

Finding the Fourth Proportional to 5,383.60, 8,077.46 and 2,098.98

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Solution

The fourth proportional to 5,383.60, 8,077.46 and 2,098.98 is: 3,149.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.60 : 8,077.46 = 2,098.98 : x
  2. Step 2: Convert to fraction form
    5,383.60/8,077.46 = 2,098.98/x
  3. Step 3: Cross multiply
    5,383.60x = 8,077.46 × 2,098.98
  4. Step 4: Simplify right side
    5,383.60x = 16,954,416.50
  5. Step 5: Solve for x
    x = 16,954,416.50/5,383.60
  6. Step 6: Final answer
    x = 3,149.27

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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.