Home / 8,829.84-12,185.11-5,246.56

Finding the Fourth Proportional to 8,829.84, 12,185.11 and 5,246.56

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Solution

The fourth proportional to 8,829.84, 12,185.11 and 5,246.56 is: 7,240.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,829.84 : 12,185.11 = 5,246.56 : x
  2. Step 2: Convert to fraction form
    8,829.84/12,185.11 = 5,246.56/x
  3. Step 3: Cross multiply
    8,829.84x = 12,185.11 × 5,246.56
  4. Step 4: Simplify right side
    8,829.84x = 63,929,910.72
  5. Step 5: Solve for x
    x = 63,929,910.72/8,829.84
  6. Step 6: Final answer
    x = 7,240.21

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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.