Home / 5,314-7,971.95-2,192.27

Finding the Fourth Proportional to 5,314, 7,971.95 and 2,192.27

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Solution

The fourth proportional to 5,314, 7,971.95 and 2,192.27 is: 3,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314 : 7,971.95 = 2,192.27 : x
  2. Step 2: Convert to fraction form
    5,314/7,971.95 = 2,192.27/x
  3. Step 3: Cross multiply
    5,314x = 7,971.95 × 2,192.27
  4. Step 4: Simplify right side
    5,314x = 17,476,666.83
  5. Step 5: Solve for x
    x = 17,476,666.83/5,314
  6. Step 6: Final answer
    x = 3,288.80

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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.