Home / 8,267.84-12,403.55-2,720.91

Finding the Fourth Proportional to 8,267.84, 12,403.55 and 2,720.91

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Solution

The fourth proportional to 8,267.84, 12,403.55 and 2,720.91 is: 4,081.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.84 : 12,403.55 = 2,720.91 : x
  2. Step 2: Convert to fraction form
    8,267.84/12,403.55 = 2,720.91/x
  3. Step 3: Cross multiply
    8,267.84x = 12,403.55 × 2,720.91
  4. Step 4: Simplify right side
    8,267.84x = 33,748,996.55
  5. Step 5: Solve for x
    x = 33,748,996.55/8,267.84
  6. Step 6: Final answer
    x = 4,081.96

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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.