Home / 5,223.28-7,208.18-2,865.52

Finding the Fourth Proportional to 5,223.28, 7,208.18 and 2,865.52

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Solution

The fourth proportional to 5,223.28, 7,208.18 and 2,865.52 is: 3,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.28 : 7,208.18 = 2,865.52 : x
  2. Step 2: Convert to fraction form
    5,223.28/7,208.18 = 2,865.52/x
  3. Step 3: Cross multiply
    5,223.28x = 7,208.18 × 2,865.52
  4. Step 4: Simplify right side
    5,223.28x = 20,655,183.95
  5. Step 5: Solve for x
    x = 20,655,183.95/5,223.28
  6. Step 6: Final answer
    x = 3,954.45

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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.