Home / 5,285.76-7,924.18-2,650.02

Finding the Fourth Proportional to 5,285.76, 7,924.18 and 2,650.02

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Solution

The fourth proportional to 5,285.76, 7,924.18 and 2,650.02 is: 3,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.76 : 7,924.18 = 2,650.02 : x
  2. Step 2: Convert to fraction form
    5,285.76/7,924.18 = 2,650.02/x
  3. Step 3: Cross multiply
    5,285.76x = 7,924.18 × 2,650.02
  4. Step 4: Simplify right side
    5,285.76x = 20,999,235.48
  5. Step 5: Solve for x
    x = 20,999,235.48/5,285.76
  6. Step 6: Final answer
    x = 3,972.79

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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.