Home / 5,287.07-7,295.84-2,896.56

Finding the Fourth Proportional to 5,287.07, 7,295.84 and 2,896.56

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Solution

The fourth proportional to 5,287.07, 7,295.84 and 2,896.56 is: 3,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,287.07 : 7,295.84 = 2,896.56 : x
  2. Step 2: Convert to fraction form
    5,287.07/7,295.84 = 2,896.56/x
  3. Step 3: Cross multiply
    5,287.07x = 7,295.84 × 2,896.56
  4. Step 4: Simplify right side
    5,287.07x = 21,132,823.83
  5. Step 5: Solve for x
    x = 21,132,823.83/5,287.07
  6. Step 6: Final answer
    x = 3,997.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.