Home / 7,976.28-11,007.93-4,620

Finding the Fourth Proportional to 7,976.28, 11,007.93 and 4,620

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Solution

The fourth proportional to 7,976.28, 11,007.93 and 4,620 is: 6,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.28 : 11,007.93 = 4,620 : x
  2. Step 2: Convert to fraction form
    7,976.28/11,007.93 = 4,620/x
  3. Step 3: Cross multiply
    7,976.28x = 11,007.93 × 4,620
  4. Step 4: Simplify right side
    7,976.28x = 50,856,636.60
  5. Step 5: Solve for x
    x = 50,856,636.60/7,976.28
  6. Step 6: Final answer
    x = 6,375.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.