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Finding the Fourth Proportional to 8,549.84, 12,824.76 and 6,829.40

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Solution

The fourth proportional to 8,549.84, 12,824.76 and 6,829.40 is: 10,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549.84 : 12,824.76 = 6,829.40 : x
  2. Step 2: Convert to fraction form
    8,549.84/12,824.76 = 6,829.40/x
  3. Step 3: Cross multiply
    8,549.84x = 12,824.76 × 6,829.40
  4. Step 4: Simplify right side
    8,549.84x = 87,585,415.94
  5. Step 5: Solve for x
    x = 87,585,415.94/8,549.84
  6. Step 6: Final answer
    x = 10,244.10

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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.