Home / 4,311.80-6,466.03-1,678.93

Finding the Fourth Proportional to 4,311.80, 6,466.03 and 1,678.93

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Solution

The fourth proportional to 4,311.80, 6,466.03 and 1,678.93 is: 2,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.80 : 6,466.03 = 1,678.93 : x
  2. Step 2: Convert to fraction form
    4,311.80/6,466.03 = 1,678.93/x
  3. Step 3: Cross multiply
    4,311.80x = 6,466.03 × 1,678.93
  4. Step 4: Simplify right side
    4,311.80x = 10,855,991.39
  5. Step 5: Solve for x
    x = 10,855,991.39/4,311.80
  6. Step 6: Final answer
    x = 2,517.74

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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.