Home / 4,777.14-7,167.55-1,857.50

Finding the Fourth Proportional to 4,777.14, 7,167.55 and 1,857.50

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Solution

The fourth proportional to 4,777.14, 7,167.55 and 1,857.50 is: 2,786.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.14 : 7,167.55 = 1,857.50 : x
  2. Step 2: Convert to fraction form
    4,777.14/7,167.55 = 1,857.50/x
  3. Step 3: Cross multiply
    4,777.14x = 7,167.55 × 1,857.50
  4. Step 4: Simplify right side
    4,777.14x = 13,313,724.13
  5. Step 5: Solve for x
    x = 13,313,724.13/4,777.14
  6. Step 6: Final answer
    x = 2,786.97

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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.