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Finding the Fourth Proportional to 8,842.50, 12,202.65 and 4,863.98

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Solution

The fourth proportional to 8,842.50, 12,202.65 and 4,863.98 is: 6,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.50 : 12,202.65 = 4,863.98 : x
  2. Step 2: Convert to fraction form
    8,842.50/12,202.65 = 4,863.98/x
  3. Step 3: Cross multiply
    8,842.50x = 12,202.65 × 4,863.98
  4. Step 4: Simplify right side
    8,842.50x = 59,353,476.05
  5. Step 5: Solve for x
    x = 59,353,476.05/8,842.50
  6. Step 6: Final answer
    x = 6,712.30

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1.5x scale

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.