Home / 4,918.97-7,378.62-1,631.97

Finding the Fourth Proportional to 4,918.97, 7,378.62 and 1,631.97

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Solution

The fourth proportional to 4,918.97, 7,378.62 and 1,631.97 is: 2,448.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.97 : 7,378.62 = 1,631.97 : x
  2. Step 2: Convert to fraction form
    4,918.97/7,378.62 = 1,631.97/x
  3. Step 3: Cross multiply
    4,918.97x = 7,378.62 × 1,631.97
  4. Step 4: Simplify right side
    4,918.97x = 12,041,680.36
  5. Step 5: Solve for x
    x = 12,041,680.36/4,918.97
  6. Step 6: Final answer
    x = 2,448.01

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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.