Home / 8,701.20-13,052.84-2,776.02

Finding the Fourth Proportional to 8,701.20, 13,052.84 and 2,776.02

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Solution

The fourth proportional to 8,701.20, 13,052.84 and 2,776.02 is: 4,164.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,701.20 : 13,052.84 = 2,776.02 : x
  2. Step 2: Convert to fraction form
    8,701.20/13,052.84 = 2,776.02/x
  3. Step 3: Cross multiply
    8,701.20x = 13,052.84 × 2,776.02
  4. Step 4: Simplify right side
    8,701.20x = 36,234,944.90
  5. Step 5: Solve for x
    x = 36,234,944.90/8,701.20
  6. Step 6: Final answer
    x = 4,164.36

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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.