Home / 8,241.85-12,366.69-3,314.89

Finding the Fourth Proportional to 8,241.85, 12,366.69 and 3,314.89

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Solution

The fourth proportional to 8,241.85, 12,366.69 and 3,314.89 is: 4,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,241.85 : 12,366.69 = 3,314.89 : x
  2. Step 2: Convert to fraction form
    8,241.85/12,366.69 = 3,314.89/x
  3. Step 3: Cross multiply
    8,241.85x = 12,366.69 × 3,314.89
  4. Step 4: Simplify right side
    8,241.85x = 40,994,217.01
  5. Step 5: Solve for x
    x = 40,994,217.01/8,241.85
  6. Step 6: Final answer
    x = 4,973.91

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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.