Home / 8,267.12-12,402.50-2,720.24

Finding the Fourth Proportional to 8,267.12, 12,402.50 and 2,720.24

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Solution

The fourth proportional to 8,267.12, 12,402.50 and 2,720.24 is: 4,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.12 : 12,402.50 = 2,720.24 : x
  2. Step 2: Convert to fraction form
    8,267.12/12,402.50 = 2,720.24/x
  3. Step 3: Cross multiply
    8,267.12x = 12,402.50 × 2,720.24
  4. Step 4: Simplify right side
    8,267.12x = 33,737,814.41
  5. Step 5: Solve for x
    x = 33,737,814.41/8,267.12
  6. Step 6: Final answer
    x = 4,080.96

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1.5x scale

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.