Home / 8,436.29-12,651.98-2,512.89

Finding the Fourth Proportional to 8,436.29, 12,651.98 and 2,512.89

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Solution

The fourth proportional to 8,436.29, 12,651.98 and 2,512.89 is: 3,768.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.29 : 12,651.98 = 2,512.89 : x
  2. Step 2: Convert to fraction form
    8,436.29/12,651.98 = 2,512.89/x
  3. Step 3: Cross multiply
    8,436.29x = 12,651.98 × 2,512.89
  4. Step 4: Simplify right side
    8,436.29x = 31,793,021.46
  5. Step 5: Solve for x
    x = 31,793,021.46/8,436.29
  6. Step 6: Final answer
    x = 3,768.60

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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.