Home / 5,390.12-8,083.96-1,494.83

Finding the Fourth Proportional to 5,390.12, 8,083.96 and 1,494.83

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Solution

The fourth proportional to 5,390.12, 8,083.96 and 1,494.83 is: 2,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390.12 : 8,083.96 = 1,494.83 : x
  2. Step 2: Convert to fraction form
    5,390.12/8,083.96 = 1,494.83/x
  3. Step 3: Cross multiply
    5,390.12x = 8,083.96 × 1,494.83
  4. Step 4: Simplify right side
    5,390.12x = 12,084,101.77
  5. Step 5: Solve for x
    x = 12,084,101.77/5,390.12
  6. Step 6: Final answer
    x = 2,241.90

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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.