Home / 4,735.28-7,103.28-1,272.48

Finding the Fourth Proportional to 4,735.28, 7,103.28 and 1,272.48

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Solution

The fourth proportional to 4,735.28, 7,103.28 and 1,272.48 is: 1,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,735.28 : 7,103.28 = 1,272.48 : x
  2. Step 2: Convert to fraction form
    4,735.28/7,103.28 = 1,272.48/x
  3. Step 3: Cross multiply
    4,735.28x = 7,103.28 × 1,272.48
  4. Step 4: Simplify right side
    4,735.28x = 9,038,781.73
  5. Step 5: Solve for x
    x = 9,038,781.73/4,735.28
  6. Step 6: Final answer
    x = 1,908.82

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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.