Home / 9,787.98-14,680.26-3,213.30

Finding the Fourth Proportional to 9,787.98, 14,680.26 and 3,213.30

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Solution

The fourth proportional to 9,787.98, 14,680.26 and 3,213.30 is: 4,819.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.98 : 14,680.26 = 3,213.30 : x
  2. Step 2: Convert to fraction form
    9,787.98/14,680.26 = 3,213.30/x
  3. Step 3: Cross multiply
    9,787.98x = 14,680.26 × 3,213.30
  4. Step 4: Simplify right side
    9,787.98x = 47,172,079.46
  5. Step 5: Solve for x
    x = 47,172,079.46/9,787.98
  6. Step 6: Final answer
    x = 4,819.39

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1.5x scale

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.