Home / 8,383.86-12,577.63-2,540.93

Finding the Fourth Proportional to 8,383.86, 12,577.63 and 2,540.93

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Solution

The fourth proportional to 8,383.86, 12,577.63 and 2,540.93 is: 3,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.86 : 12,577.63 = 2,540.93 : x
  2. Step 2: Convert to fraction form
    8,383.86/12,577.63 = 2,540.93/x
  3. Step 3: Cross multiply
    8,383.86x = 12,577.63 × 2,540.93
  4. Step 4: Simplify right side
    8,383.86x = 31,958,808.16
  5. Step 5: Solve for x
    x = 31,958,808.16/8,383.86
  6. Step 6: Final answer
    x = 3,811.94

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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.