Home / 4,828.87-6,663.94-3,151.35

Finding the Fourth Proportional to 4,828.87, 6,663.94 and 3,151.35

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Solution

The fourth proportional to 4,828.87, 6,663.94 and 3,151.35 is: 4,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,828.87 : 6,663.94 = 3,151.35 : x
  2. Step 2: Convert to fraction form
    4,828.87/6,663.94 = 3,151.35/x
  3. Step 3: Cross multiply
    4,828.87x = 6,663.94 × 3,151.35
  4. Step 4: Simplify right side
    4,828.87x = 21,000,391.56
  5. Step 5: Solve for x
    x = 21,000,391.56/4,828.87
  6. Step 6: Final answer
    x = 4,348.92

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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.