Home / 4,930.74-7,400.84-3,085.56

Finding the Fourth Proportional to 4,930.74, 7,400.84 and 3,085.56

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Solution

The fourth proportional to 4,930.74, 7,400.84 and 3,085.56 is: 4,631.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.74 : 7,400.84 = 3,085.56 : x
  2. Step 2: Convert to fraction form
    4,930.74/7,400.84 = 3,085.56/x
  3. Step 3: Cross multiply
    4,930.74x = 7,400.84 × 3,085.56
  4. Step 4: Simplify right side
    4,930.74x = 22,835,720.44
  5. Step 5: Solve for x
    x = 22,835,720.44/4,930.74
  6. Step 6: Final answer
    x = 4,631.30

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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.