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Finding the Fourth Proportional to 8,503.80, 11,734.98 and 4,968.96

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Solution

The fourth proportional to 8,503.80, 11,734.98 and 4,968.96 is: 6,857.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.80 : 11,734.98 = 4,968.96 : x
  2. Step 2: Convert to fraction form
    8,503.80/11,734.98 = 4,968.96/x
  3. Step 3: Cross multiply
    8,503.80x = 11,734.98 × 4,968.96
  4. Step 4: Simplify right side
    8,503.80x = 58,310,646.22
  5. Step 5: Solve for x
    x = 58,310,646.22/8,503.80
  6. Step 6: Final answer
    x = 6,857.01

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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.