Home / 5,787.19-7,986.81-3,269.76

Finding the Fourth Proportional to 5,787.19, 7,986.81 and 3,269.76

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Solution

The fourth proportional to 5,787.19, 7,986.81 and 3,269.76 is: 4,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.19 : 7,986.81 = 3,269.76 : x
  2. Step 2: Convert to fraction form
    5,787.19/7,986.81 = 3,269.76/x
  3. Step 3: Cross multiply
    5,787.19x = 7,986.81 × 3,269.76
  4. Step 4: Simplify right side
    5,787.19x = 26,114,951.87
  5. Step 5: Solve for x
    x = 26,114,951.87/5,787.19
  6. Step 6: Final answer
    x = 4,512.55

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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.