Home / 8,212.84-11,334.18-4,857.61

Finding the Fourth Proportional to 8,212.84, 11,334.18 and 4,857.61

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Solution

The fourth proportional to 8,212.84, 11,334.18 and 4,857.61 is: 6,703.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,212.84 : 11,334.18 = 4,857.61 : x
  2. Step 2: Convert to fraction form
    8,212.84/11,334.18 = 4,857.61/x
  3. Step 3: Cross multiply
    8,212.84x = 11,334.18 × 4,857.61
  4. Step 4: Simplify right side
    8,212.84x = 55,057,026.11
  5. Step 5: Solve for x
    x = 55,057,026.11/8,212.84
  6. Step 6: Final answer
    x = 6,703.77

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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.