Home / 5,238.50-7,857.94-1,776.02

Finding the Fourth Proportional to 5,238.50, 7,857.94 and 1,776.02

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Solution

The fourth proportional to 5,238.50, 7,857.94 and 1,776.02 is: 2,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.50 : 7,857.94 = 1,776.02 : x
  2. Step 2: Convert to fraction form
    5,238.50/7,857.94 = 1,776.02/x
  3. Step 3: Cross multiply
    5,238.50x = 7,857.94 × 1,776.02
  4. Step 4: Simplify right side
    5,238.50x = 13,955,858.60
  5. Step 5: Solve for x
    x = 13,955,858.60/5,238.50
  6. Step 6: Final answer
    x = 2,664.09

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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.