Home / 4,949.48-6,830-3,628.76

Finding the Fourth Proportional to 4,949.48, 6,830 and 3,628.76

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Solution

The fourth proportional to 4,949.48, 6,830 and 3,628.76 is: 5,007.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.48 : 6,830 = 3,628.76 : x
  2. Step 2: Convert to fraction form
    4,949.48/6,830 = 3,628.76/x
  3. Step 3: Cross multiply
    4,949.48x = 6,830 × 3,628.76
  4. Step 4: Simplify right side
    4,949.48x = 24,784,430.80
  5. Step 5: Solve for x
    x = 24,784,430.80/4,949.48
  6. Step 6: Final answer
    x = 5,007.48

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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.