Home / 8,184.34-12,281.85-4,489.15

Finding the Fourth Proportional to 8,184.34, 12,281.85 and 4,489.15

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Solution

The fourth proportional to 8,184.34, 12,281.85 and 4,489.15 is: 6,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.34 : 12,281.85 = 4,489.15 : x
  2. Step 2: Convert to fraction form
    8,184.34/12,281.85 = 4,489.15/x
  3. Step 3: Cross multiply
    8,184.34x = 12,281.85 × 4,489.15
  4. Step 4: Simplify right side
    8,184.34x = 55,135,066.93
  5. Step 5: Solve for x
    x = 55,135,066.93/8,184.34
  6. Step 6: Final answer
    x = 6,736.65

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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.