Home / 5,215.09-7,196.83-2,825.07

Finding the Fourth Proportional to 5,215.09, 7,196.83 and 2,825.07

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Solution

The fourth proportional to 5,215.09, 7,196.83 and 2,825.07 is: 3,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215.09 : 7,196.83 = 2,825.07 : x
  2. Step 2: Convert to fraction form
    5,215.09/7,196.83 = 2,825.07/x
  3. Step 3: Cross multiply
    5,215.09x = 7,196.83 × 2,825.07
  4. Step 4: Simplify right side
    5,215.09x = 20,331,548.53
  5. Step 5: Solve for x
    x = 20,331,548.53/5,215.09
  6. Step 6: Final answer
    x = 3,898.60

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1.5x scale

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.