Home / 8,861.29-12,228.10-4,881.62

Finding the Fourth Proportional to 8,861.29, 12,228.10 and 4,881.62

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Solution

The fourth proportional to 8,861.29, 12,228.10 and 4,881.62 is: 6,736.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.29 : 12,228.10 = 4,881.62 : x
  2. Step 2: Convert to fraction form
    8,861.29/12,228.10 = 4,881.62/x
  3. Step 3: Cross multiply
    8,861.29x = 12,228.10 × 4,881.62
  4. Step 4: Simplify right side
    8,861.29x = 59,692,955.89
  5. Step 5: Solve for x
    x = 59,692,955.89/8,861.29
  6. Step 6: Final answer
    x = 6,736.38

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Half scale
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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.