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Finding the Fourth Proportional to 9,787.74, 14,682.72 and 3,550.66

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Solution

The fourth proportional to 9,787.74, 14,682.72 and 3,550.66 is: 5,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,787.74 : 14,682.72 = 3,550.66 : x
  2. Step 2: Convert to fraction form
    9,787.74/14,682.72 = 3,550.66/x
  3. Step 3: Cross multiply
    9,787.74x = 14,682.72 × 3,550.66
  4. Step 4: Simplify right side
    9,787.74x = 52,133,346.60
  5. Step 5: Solve for x
    x = 52,133,346.60/9,787.74
  6. Step 6: Final answer
    x = 5,326.39

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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.