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Finding the Fourth Proportional to 4,861, 6,708.64 and 2,765.13

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Solution

The fourth proportional to 4,861, 6,708.64 and 2,765.13 is: 3,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861 : 6,708.64 = 2,765.13 : x
  2. Step 2: Convert to fraction form
    4,861/6,708.64 = 2,765.13/x
  3. Step 3: Cross multiply
    4,861x = 6,708.64 × 2,765.13
  4. Step 4: Simplify right side
    4,861x = 18,550,261.72
  5. Step 5: Solve for x
    x = 18,550,261.72/4,861
  6. Step 6: Final answer
    x = 3,816.14

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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.