Home / 7,976.69-11,007.84-4,440.14

Finding the Fourth Proportional to 7,976.69, 11,007.84 and 4,440.14

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Solution

The fourth proportional to 7,976.69, 11,007.84 and 4,440.14 is: 6,127.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.69 : 11,007.84 = 4,440.14 : x
  2. Step 2: Convert to fraction form
    7,976.69/11,007.84 = 4,440.14/x
  3. Step 3: Cross multiply
    7,976.69x = 11,007.84 × 4,440.14
  4. Step 4: Simplify right side
    7,976.69x = 48,876,350.70
  5. Step 5: Solve for x
    x = 48,876,350.70/7,976.69
  6. Step 6: Final answer
    x = 6,127.40

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1.5x scale

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.