Home / 4,620.59-6,930.90-1,157.85

Finding the Fourth Proportional to 4,620.59, 6,930.90 and 1,157.85

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Solution

The fourth proportional to 4,620.59, 6,930.90 and 1,157.85 is: 1,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.59 : 6,930.90 = 1,157.85 : x
  2. Step 2: Convert to fraction form
    4,620.59/6,930.90 = 1,157.85/x
  3. Step 3: Cross multiply
    4,620.59x = 6,930.90 × 1,157.85
  4. Step 4: Simplify right side
    4,620.59x = 8,024,936.78
  5. Step 5: Solve for x
    x = 8,024,936.78/4,620.59
  6. Step 6: Final answer
    x = 1,736.78

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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.