Home / 4,298.38-6,450.06-1,989.88

Finding the Fourth Proportional to 4,298.38, 6,450.06 and 1,989.88

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Solution

The fourth proportional to 4,298.38, 6,450.06 and 1,989.88 is: 2,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.38 : 6,450.06 = 1,989.88 : x
  2. Step 2: Convert to fraction form
    4,298.38/6,450.06 = 1,989.88/x
  3. Step 3: Cross multiply
    4,298.38x = 6,450.06 × 1,989.88
  4. Step 4: Simplify right side
    4,298.38x = 12,834,845.39
  5. Step 5: Solve for x
    x = 12,834,845.39/4,298.38
  6. Step 6: Final answer
    x = 2,985.97

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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.