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Finding the Fourth Proportional to 5,159.67, 7,736.07 and 1,872.34

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Solution

The fourth proportional to 5,159.67, 7,736.07 and 1,872.34 is: 2,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.67 : 7,736.07 = 1,872.34 : x
  2. Step 2: Convert to fraction form
    5,159.67/7,736.07 = 1,872.34/x
  3. Step 3: Cross multiply
    5,159.67x = 7,736.07 × 1,872.34
  4. Step 4: Simplify right side
    5,159.67x = 14,484,505.26
  5. Step 5: Solve for x
    x = 14,484,505.26/5,159.67
  6. Step 6: Final answer
    x = 2,807.25

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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.