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Finding the Fourth Proportional to 5,361, 8,036.85 and 2,076.48

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Solution

The fourth proportional to 5,361, 8,036.85 and 2,076.48 is: 3,112.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361 : 8,036.85 = 2,076.48 : x
  2. Step 2: Convert to fraction form
    5,361/8,036.85 = 2,076.48/x
  3. Step 3: Cross multiply
    5,361x = 8,036.85 × 2,076.48
  4. Step 4: Simplify right side
    5,361x = 16,688,358.29
  5. Step 5: Solve for x
    x = 16,688,358.29/5,361
  6. Step 6: Final answer
    x = 3,112.92

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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.