Home / 7,620.86-10,516.91-4,636.82

Finding the Fourth Proportional to 7,620.86, 10,516.91 and 4,636.82

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Solution

The fourth proportional to 7,620.86, 10,516.91 and 4,636.82 is: 6,398.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.86 : 10,516.91 = 4,636.82 : x
  2. Step 2: Convert to fraction form
    7,620.86/10,516.91 = 4,636.82/x
  3. Step 3: Cross multiply
    7,620.86x = 10,516.91 × 4,636.82
  4. Step 4: Simplify right side
    7,620.86x = 48,764,942.86
  5. Step 5: Solve for x
    x = 48,764,942.86/7,620.86
  6. Step 6: Final answer
    x = 6,398.88

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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.