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Finding the Fourth Proportional to 8,602.62, 11,871.27 and 5,065.98

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Solution

The fourth proportional to 8,602.62, 11,871.27 and 5,065.98 is: 6,990.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.62 : 11,871.27 = 5,065.98 : x
  2. Step 2: Convert to fraction form
    8,602.62/11,871.27 = 5,065.98/x
  3. Step 3: Cross multiply
    8,602.62x = 11,871.27 × 5,065.98
  4. Step 4: Simplify right side
    8,602.62x = 60,139,616.39
  5. Step 5: Solve for x
    x = 60,139,616.39/8,602.62
  6. Step 6: Final answer
    x = 6,990.85

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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.