Home / 4,828.50-6,663.21-2,839.11

Finding the Fourth Proportional to 4,828.50, 6,663.21 and 2,839.11

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Solution

The fourth proportional to 4,828.50, 6,663.21 and 2,839.11 is: 3,917.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.50 : 6,663.21 = 2,839.11 : x
  2. Step 2: Convert to fraction form
    4,828.50/6,663.21 = 2,839.11/x
  3. Step 3: Cross multiply
    4,828.50x = 6,663.21 × 2,839.11
  4. Step 4: Simplify right side
    4,828.50x = 18,917,586.14
  5. Step 5: Solve for x
    x = 18,917,586.14/4,828.50
  6. Step 6: Final answer
    x = 3,917.90

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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.