Home / 4,620.35-6,930.56-1,157.60

Finding the Fourth Proportional to 4,620.35, 6,930.56 and 1,157.60

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Solution

The fourth proportional to 4,620.35, 6,930.56 and 1,157.60 is: 1,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.35 : 6,930.56 = 1,157.60 : x
  2. Step 2: Convert to fraction form
    4,620.35/6,930.56 = 1,157.60/x
  3. Step 3: Cross multiply
    4,620.35x = 6,930.56 × 1,157.60
  4. Step 4: Simplify right side
    4,620.35x = 8,022,816.26
  5. Step 5: Solve for x
    x = 8,022,816.26/4,620.35
  6. Step 6: Final answer
    x = 1,736.41

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1.5x scale

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.