Home / 4,620.34-6,930.52-1,157.60

Finding the Fourth Proportional to 4,620.34, 6,930.52 and 1,157.60

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Solution

The fourth proportional to 4,620.34, 6,930.52 and 1,157.60 is: 1,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.34 : 6,930.52 = 1,157.60 : x
  2. Step 2: Convert to fraction form
    4,620.34/6,930.52 = 1,157.60/x
  3. Step 3: Cross multiply
    4,620.34x = 6,930.52 × 1,157.60
  4. Step 4: Simplify right side
    4,620.34x = 8,022,769.95
  5. Step 5: Solve for x
    x = 8,022,769.95/4,620.34
  6. Step 6: Final answer
    x = 1,736.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.