Home / 4,918.14-7,377.47-2,145.00

Finding the Fourth Proportional to 4,918.14, 7,377.47 and 2,145.00

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Solution

The fourth proportional to 4,918.14, 7,377.47 and 2,145.00 is: 3,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.14 : 7,377.47 = 2,145.00 : x
  2. Step 2: Convert to fraction form
    4,918.14/7,377.47 = 2,145.00/x
  3. Step 3: Cross multiply
    4,918.14x = 7,377.47 × 2,145.00
  4. Step 4: Simplify right side
    4,918.14x = 15,824,698.13
  5. Step 5: Solve for x
    x = 15,824,698.13/4,918.14
  6. Step 6: Final answer
    x = 3,217.62

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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.