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Finding the Fourth Proportional to 4,829.76, 7,248.24 and 1,910.07

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Solution

The fourth proportional to 4,829.76, 7,248.24 and 1,910.07 is: 2,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,829.76 : 7,248.24 = 1,910.07 : x
  2. Step 2: Convert to fraction form
    4,829.76/7,248.24 = 1,910.07/x
  3. Step 3: Cross multiply
    4,829.76x = 7,248.24 × 1,910.07
  4. Step 4: Simplify right side
    4,829.76x = 13,844,645.78
  5. Step 5: Solve for x
    x = 13,844,645.78/4,829.76
  6. Step 6: Final answer
    x = 2,866.53

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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.