Home / 7,976.99-11,010.66-4,620.62

Finding the Fourth Proportional to 7,976.99, 11,010.66 and 4,620.62

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Solution

The fourth proportional to 7,976.99, 11,010.66 and 4,620.62 is: 6,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.99 : 11,010.66 = 4,620.62 : x
  2. Step 2: Convert to fraction form
    7,976.99/11,010.66 = 4,620.62/x
  3. Step 3: Cross multiply
    7,976.99x = 11,010.66 × 4,620.62
  4. Step 4: Simplify right side
    7,976.99x = 50,876,075.81
  5. Step 5: Solve for x
    x = 50,876,075.81/7,976.99
  6. Step 6: Final answer
    x = 6,377.85

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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.