Home / 4,904.52-7,356.74-1,982.78

Finding the Fourth Proportional to 4,904.52, 7,356.74 and 1,982.78

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Solution

The fourth proportional to 4,904.52, 7,356.74 and 1,982.78 is: 2,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,904.52 : 7,356.74 = 1,982.78 : x
  2. Step 2: Convert to fraction form
    4,904.52/7,356.74 = 1,982.78/x
  3. Step 3: Cross multiply
    4,904.52x = 7,356.74 × 1,982.78
  4. Step 4: Simplify right side
    4,904.52x = 14,586,796.94
  5. Step 5: Solve for x
    x = 14,586,796.94/4,904.52
  6. Step 6: Final answer
    x = 2,974.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.