Home / 4,828.80-6,663.86-2,839.46

Finding the Fourth Proportional to 4,828.80, 6,663.86 and 2,839.46

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Solution

The fourth proportional to 4,828.80, 6,663.86 and 2,839.46 is: 3,918.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.80 : 6,663.86 = 2,839.46 : x
  2. Step 2: Convert to fraction form
    4,828.80/6,663.86 = 2,839.46/x
  3. Step 3: Cross multiply
    4,828.80x = 6,663.86 × 2,839.46
  4. Step 4: Simplify right side
    4,828.80x = 18,921,763.92
  5. Step 5: Solve for x
    x = 18,921,763.92/4,828.80
  6. Step 6: Final answer
    x = 3,918.52

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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.