Home / 5,223.81-7,208.90-2,865.97

Finding the Fourth Proportional to 5,223.81, 7,208.90 and 2,865.97

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Solution

The fourth proportional to 5,223.81, 7,208.90 and 2,865.97 is: 3,955.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.81 : 7,208.90 = 2,865.97 : x
  2. Step 2: Convert to fraction form
    5,223.81/7,208.90 = 2,865.97/x
  3. Step 3: Cross multiply
    5,223.81x = 7,208.90 × 2,865.97
  4. Step 4: Simplify right side
    5,223.81x = 20,660,491.13
  5. Step 5: Solve for x
    x = 20,660,491.13/5,223.81
  6. Step 6: Final answer
    x = 3,955.06

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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.