Home / 9,787.20-14,676.69-3,209.76

Finding the Fourth Proportional to 9,787.20, 14,676.69 and 3,209.76

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Solution

The fourth proportional to 9,787.20, 14,676.69 and 3,209.76 is: 4,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.20 : 14,676.69 = 3,209.76 : x
  2. Step 2: Convert to fraction form
    9,787.20/14,676.69 = 3,209.76/x
  3. Step 3: Cross multiply
    9,787.20x = 14,676.69 × 3,209.76
  4. Step 4: Simplify right side
    9,787.20x = 47,108,652.49
  5. Step 5: Solve for x
    x = 47,108,652.49/9,787.20
  6. Step 6: Final answer
    x = 4,813.29

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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.