Home / 8,234.29-11,361.56-4,878.17

Finding the Fourth Proportional to 8,234.29, 11,361.56 and 4,878.17

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Solution

The fourth proportional to 8,234.29, 11,361.56 and 4,878.17 is: 6,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.29 : 11,361.56 = 4,878.17 : x
  2. Step 2: Convert to fraction form
    8,234.29/11,361.56 = 4,878.17/x
  3. Step 3: Cross multiply
    8,234.29x = 11,361.56 × 4,878.17
  4. Step 4: Simplify right side
    8,234.29x = 55,423,621.15
  5. Step 5: Solve for x
    x = 55,423,621.15/8,234.29
  6. Step 6: Final answer
    x = 6,730.83

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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.