Home / 7,620.34-10,517.19-4,635.60

Finding the Fourth Proportional to 7,620.34, 10,517.19 and 4,635.60

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Solution

The fourth proportional to 7,620.34, 10,517.19 and 4,635.60 is: 6,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.34 : 10,517.19 = 4,635.60 : x
  2. Step 2: Convert to fraction form
    7,620.34/10,517.19 = 4,635.60/x
  3. Step 3: Cross multiply
    7,620.34x = 10,517.19 × 4,635.60
  4. Step 4: Simplify right side
    7,620.34x = 48,753,485.96
  5. Step 5: Solve for x
    x = 48,753,485.96/7,620.34
  6. Step 6: Final answer
    x = 6,397.81

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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.