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Finding the Fourth Proportional to 4,906.69, 7,363.16 and 1,786.39

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Solution

The fourth proportional to 4,906.69, 7,363.16 and 1,786.39 is: 2,680.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.69 : 7,363.16 = 1,786.39 : x
  2. Step 2: Convert to fraction form
    4,906.69/7,363.16 = 1,786.39/x
  3. Step 3: Cross multiply
    4,906.69x = 7,363.16 × 1,786.39
  4. Step 4: Simplify right side
    4,906.69x = 13,153,466.46
  5. Step 5: Solve for x
    x = 13,153,466.46/4,906.69
  6. Step 6: Final answer
    x = 2,680.72

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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.