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Finding the Fourth Proportional to 4,906.17, 6,769.98 and 2,810.70

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Solution

The fourth proportional to 4,906.17, 6,769.98 and 2,810.70 is: 3,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.17 : 6,769.98 = 2,810.70 : x
  2. Step 2: Convert to fraction form
    4,906.17/6,769.98 = 2,810.70/x
  3. Step 3: Cross multiply
    4,906.17x = 6,769.98 × 2,810.70
  4. Step 4: Simplify right side
    4,906.17x = 19,028,382.79
  5. Step 5: Solve for x
    x = 19,028,382.79/4,906.17
  6. Step 6: Final answer
    x = 3,878.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.