Home / 8,630.64-12,946.50-3,436.38

Finding the Fourth Proportional to 8,630.64, 12,946.50 and 3,436.38

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Solution

The fourth proportional to 8,630.64, 12,946.50 and 3,436.38 is: 5,154.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.64 : 12,946.50 = 3,436.38 : x
  2. Step 2: Convert to fraction form
    8,630.64/12,946.50 = 3,436.38/x
  3. Step 3: Cross multiply
    8,630.64x = 12,946.50 × 3,436.38
  4. Step 4: Simplify right side
    8,630.64x = 44,489,093.67
  5. Step 5: Solve for x
    x = 44,489,093.67/8,630.64
  6. Step 6: Final answer
    x = 5,154.79

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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.