Home / 8,861.55-12,228.43-4,881.88

Finding the Fourth Proportional to 8,861.55, 12,228.43 and 4,881.88

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Solution

The fourth proportional to 8,861.55, 12,228.43 and 4,881.88 is: 6,736.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.55 : 12,228.43 = 4,881.88 : x
  2. Step 2: Convert to fraction form
    8,861.55/12,228.43 = 4,881.88/x
  3. Step 3: Cross multiply
    8,861.55x = 12,228.43 × 4,881.88
  4. Step 4: Simplify right side
    8,861.55x = 59,697,727.85
  5. Step 5: Solve for x
    x = 59,697,727.85/8,861.55
  6. Step 6: Final answer
    x = 6,736.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.