Home / 4,288.05-6,432.75-1,822.88

Finding the Fourth Proportional to 4,288.05, 6,432.75 and 1,822.88

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Solution

The fourth proportional to 4,288.05, 6,432.75 and 1,822.88 is: 2,734.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.05 : 6,432.75 = 1,822.88 : x
  2. Step 2: Convert to fraction form
    4,288.05/6,432.75 = 1,822.88/x
  3. Step 3: Cross multiply
    4,288.05x = 6,432.75 × 1,822.88
  4. Step 4: Simplify right side
    4,288.05x = 11,726,099.16
  5. Step 5: Solve for x
    x = 11,726,099.16/4,288.05
  6. Step 6: Final answer
    x = 2,734.60

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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.