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Finding the Fourth Proportional to 4,823.79, 7,235.20 and 3,273.76

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Solution

The fourth proportional to 4,823.79, 7,235.20 and 3,273.76 is: 4,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,823.79 : 7,235.20 = 3,273.76 : x
  2. Step 2: Convert to fraction form
    4,823.79/7,235.20 = 3,273.76/x
  3. Step 3: Cross multiply
    4,823.79x = 7,235.20 × 3,273.76
  4. Step 4: Simplify right side
    4,823.79x = 23,686,294.36
  5. Step 5: Solve for x
    x = 23,686,294.36/4,823.79
  6. Step 6: Final answer
    x = 4,910.30

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1.5x scale

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.