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Finding the Fourth Proportional to 9,848.79, 14,772.58 and 3,273.21

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Solution

The fourth proportional to 9,848.79, 14,772.58 and 3,273.21 is: 4,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,848.79 : 14,772.58 = 3,273.21 : x
  2. Step 2: Convert to fraction form
    9,848.79/14,772.58 = 3,273.21/x
  3. Step 3: Cross multiply
    9,848.79x = 14,772.58 × 3,273.21
  4. Step 4: Simplify right side
    9,848.79x = 48,353,748.40
  5. Step 5: Solve for x
    x = 48,353,748.40/9,848.79
  6. Step 6: Final answer
    x = 4,909.61

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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.