Home / 7,126.44-10,679.90-4,007.96

Finding the Fourth Proportional to 7,126.44, 10,679.90 and 4,007.96

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Solution

The fourth proportional to 7,126.44, 10,679.90 and 4,007.96 is: 6,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,126.44 : 10,679.90 = 4,007.96 : x
  2. Step 2: Convert to fraction form
    7,126.44/10,679.90 = 4,007.96/x
  3. Step 3: Cross multiply
    7,126.44x = 10,679.90 × 4,007.96
  4. Step 4: Simplify right side
    7,126.44x = 42,804,612.00
  5. Step 5: Solve for x
    x = 42,804,612.00/7,126.44
  6. Step 6: Final answer
    x = 6,006.45

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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.