Home / 7,821.34-10,794.84-4,679.62

Finding the Fourth Proportional to 7,821.34, 10,794.84 and 4,679.62

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Solution

The fourth proportional to 7,821.34, 10,794.84 and 4,679.62 is: 6,458.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,821.34 : 10,794.84 = 4,679.62 : x
  2. Step 2: Convert to fraction form
    7,821.34/10,794.84 = 4,679.62/x
  3. Step 3: Cross multiply
    7,821.34x = 10,794.84 × 4,679.62
  4. Step 4: Simplify right side
    7,821.34x = 50,515,749.16
  5. Step 5: Solve for x
    x = 50,515,749.16/7,821.34
  6. Step 6: Final answer
    x = 6,458.71

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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.