Home / 4,982.32-6,872.06-3,278.76

Finding the Fourth Proportional to 4,982.32, 6,872.06 and 3,278.76

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Solution

The fourth proportional to 4,982.32, 6,872.06 and 3,278.76 is: 4,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.32 : 6,872.06 = 3,278.76 : x
  2. Step 2: Convert to fraction form
    4,982.32/6,872.06 = 3,278.76/x
  3. Step 3: Cross multiply
    4,982.32x = 6,872.06 × 3,278.76
  4. Step 4: Simplify right side
    4,982.32x = 22,531,835.45
  5. Step 5: Solve for x
    x = 22,531,835.45/4,982.32
  6. Step 6: Final answer
    x = 4,522.36

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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.