Home / 4,828.78-6,663.30-2,811.88

Finding the Fourth Proportional to 4,828.78, 6,663.30 and 2,811.88

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Solution

The fourth proportional to 4,828.78, 6,663.30 and 2,811.88 is: 3,880.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.78 : 6,663.30 = 2,811.88 : x
  2. Step 2: Convert to fraction form
    4,828.78/6,663.30 = 2,811.88/x
  3. Step 3: Cross multiply
    4,828.78x = 6,663.30 × 2,811.88
  4. Step 4: Simplify right side
    4,828.78x = 18,736,400.00
  5. Step 5: Solve for x
    x = 18,736,400.00/4,828.78
  6. Step 6: Final answer
    x = 3,880.15

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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.