Home / 8,365.82-12,548.66-2,125.85

Finding the Fourth Proportional to 8,365.82, 12,548.66 and 2,125.85

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Solution

The fourth proportional to 8,365.82, 12,548.66 and 2,125.85 is: 3,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,365.82 : 12,548.66 = 2,125.85 : x
  2. Step 2: Convert to fraction form
    8,365.82/12,548.66 = 2,125.85/x
  3. Step 3: Cross multiply
    8,365.82x = 12,548.66 × 2,125.85
  4. Step 4: Simplify right side
    8,365.82x = 26,676,495.49
  5. Step 5: Solve for x
    x = 26,676,495.49/8,365.82
  6. Step 6: Final answer
    x = 3,188.75

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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.