Home / 7,821.75-10,793.57-4,418.76

Finding the Fourth Proportional to 7,821.75, 10,793.57 and 4,418.76

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Solution

The fourth proportional to 7,821.75, 10,793.57 and 4,418.76 is: 6,097.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.75 : 10,793.57 = 4,418.76 : x
  2. Step 2: Convert to fraction form
    7,821.75/10,793.57 = 4,418.76/x
  3. Step 3: Cross multiply
    7,821.75x = 10,793.57 × 4,418.76
  4. Step 4: Simplify right side
    7,821.75x = 47,694,173.28
  5. Step 5: Solve for x
    x = 47,694,173.28/7,821.75
  6. Step 6: Final answer
    x = 6,097.63

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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.